<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Topic> .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#elementList> _:b7iddOtlocdOtgovauthoritiessubjectssh85133438 .
_:b7iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.w3.org/1999/02/22-rdf-syntax-ns#first> _:b8iddOtlocdOtgovauthoritiessubjectssh85133438 .
_:b7iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.w3.org/1999/02/22-rdf-syntax-ns#rest> <http://www.w3.org/1999/02/22-rdf-syntax-ns#nil> .
_:b8iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#TopicElement> .
_:b8iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.loc.gov/mads/rdf/v1#elementValue> "Telephone systems"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasVariant> _:b11iddOtlocdOtgovauthoritiessubjectssh85133438 .
_:b11iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Topic> .
_:b11iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Variant> .
_:b11iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.loc.gov/mads/rdf/v1#variantLabel> "Telephony"@en .
_:b11iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.loc.gov/mads/rdf/v1#elementList> _:b16iddOtlocdOtgovauthoritiessubjectssh85133438 .
_:b16iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.w3.org/1999/02/22-rdf-syntax-ns#first> _:b17iddOtlocdOtgovauthoritiessubjectssh85133438 .
_:b16iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.w3.org/1999/02/22-rdf-syntax-ns#rest> <http://www.w3.org/1999/02/22-rdf-syntax-ns#nil> .
_:b17iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#TopicElement> .
_:b17iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.loc.gov/mads/rdf/v1#elementValue> "Telephony"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/marcKey> "150 0$aTelephone systems" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#classification> _:b22iddOtlocdOtgovauthoritiessubjectssh85133438 .
_:b22iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/lcc#ClassNumber> .
_:b22iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.loc.gov/mads/rdf/v1#code> "TK6401" .
_:b22iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.loc.gov/mads/rdf/v1#hasExactExternalAuthority> <http://id.loc.gov/authorities/classification/TK6401> .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasNarrowerAuthority> <http://id.loc.gov/authorities/subjects/sh85133386> .
<http://id.loc.gov/authorities/subjects/sh85133386> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.loc.gov/authorities/subjects/sh85133386> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone--Multiplex systems"@en .
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<http://www.wikidata.org/entity/Q944584> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "telephony" .
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<http://id.worldcat.org/fast/1146459> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.worldcat.org/fast/1146459> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems--Design and construction" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasNarrowerAuthority> <http://id.loc.gov/authorities/subjects/sh85037982> .
<http://id.loc.gov/authorities/subjects/sh85037982> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.loc.gov/authorities/subjects/sh85037982> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Digital telephone systems"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasCloseExternalAuthority> <http://purl.org/bncf/tid/1564> .
<http://purl.org/bncf/tid/1564> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://purl.org/bncf/tid/1564> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telefonia"@it .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasNarrowerExternalAuthority> <http://id.worldcat.org/fast/1146468> .
<http://id.worldcat.org/fast/1146468> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.worldcat.org/fast/1146468> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems--Reliability" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasNarrowerExternalAuthority> <http://id.worldcat.org/fast/1146460> .
<http://id.worldcat.org/fast/1146460> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.worldcat.org/fast/1146460> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems--Economic aspects" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasNarrowerExternalAuthority> <http://id.worldcat.org/fast/1146472> .
<http://id.worldcat.org/fast/1146472> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.worldcat.org/fast/1146472> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems--Testing" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasCloseExternalAuthority> <http://www.yso.fi/onto/yso/p4334> .
<http://www.yso.fi/onto/yso/p4334> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://www.yso.fi/onto/yso/p4334> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "puhelinjärjestelmät"@fi .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasCloseExternalAuthority> <http://datos.bne.es/resource/XX526720> .
<http://datos.bne.es/resource/XX526720> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://datos.bne.es/resource/XX526720> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Teléfono"@es .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasNarrowerExternalAuthority> <http://id.worldcat.org/fast/1146471> .
<http://id.worldcat.org/fast/1146471> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.worldcat.org/fast/1146471> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems--Standards" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasNarrowerExternalAuthority> <http://id.worldcat.org/fast/1146465> .
<http://id.worldcat.org/fast/1146465> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.worldcat.org/fast/1146465> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems--Planning" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasNarrowerExternalAuthority> <http://id.worldcat.org/fast/1146463> .
<http://id.worldcat.org/fast/1146463> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.worldcat.org/fast/1146463> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems--Management" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasNarrowerAuthority> <http://id.loc.gov/authorities/subjects/sh98004793> .
<http://id.loc.gov/authorities/subjects/sh98004793> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.loc.gov/authorities/subjects/sh98004793> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Cell phone systems"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasNarrowerExternalAuthority> <http://id.worldcat.org/fast/1146458> .
<http://id.worldcat.org/fast/1146458> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.worldcat.org/fast/1146458> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems--Data processing" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasNarrowerExternalAuthority> <http://id.worldcat.org/fast/1146467> .
<http://id.worldcat.org/fast/1146467> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.worldcat.org/fast/1146467> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems--Rates" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasNarrowerExternalAuthority> <http://id.worldcat.org/fast/1146464> .
<http://id.worldcat.org/fast/1146464> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.worldcat.org/fast/1146464> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems--Mathematical models" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasCloseExternalAuthority> <http://id.worldcat.org/fast/1146455> .
<http://id.worldcat.org/fast/1146455> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.worldcat.org/fast/1146455> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasNarrowerExternalAuthority> <http://id.worldcat.org/fast/1146456> .
<http://id.worldcat.org/fast/1146456> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.worldcat.org/fast/1146456> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems--Automation" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasNarrowerAuthority> <http://id.loc.gov/authorities/subjects/sh88004612> .
<http://id.loc.gov/authorities/subjects/sh88004612> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.loc.gov/authorities/subjects/sh88004612> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Centrex telephone service"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasNarrowerAuthority> <http://id.loc.gov/authorities/subjects/sh85133391> .
<http://id.loc.gov/authorities/subjects/sh85133391> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.loc.gov/authorities/subjects/sh85133391> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone--Private branch exchanges"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasNarrowerAuthority> <http://id.loc.gov/authorities/subjects/sh98004350> .
<http://id.loc.gov/authorities/subjects/sh98004350> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.loc.gov/authorities/subjects/sh98004350> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Internet telephony"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasNarrowerAuthority> <http://id.loc.gov/authorities/subjects/sh85133437> .
<http://id.loc.gov/authorities/subjects/sh85133437> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.loc.gov/authorities/subjects/sh85133437> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone switching systems, Electronic"@en .
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<http://id.worldcat.org/fast/1146469> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.worldcat.org/fast/1146469> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems--Security measures" .
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<http://id.worldcat.org/fast/1146457> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.worldcat.org/fast/1146457> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems--Computer programs" .
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<http://id.worldcat.org/fast/1146473> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.worldcat.org/fast/1146473> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems--US states" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasNarrowerAuthority> <http://id.loc.gov/authorities/subjects/sh89006751> .
<http://id.loc.gov/authorities/subjects/sh89006751> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.loc.gov/authorities/subjects/sh89006751> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Audiotex"@en .
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<http://id.worldcat.org/fast/1146470> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.worldcat.org/fast/1146470> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems--Social aspects" .
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<http://id.worldcat.org/fast/1146466> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.worldcat.org/fast/1146466> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems--Purchasing" .
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<http://id.worldcat.org/fast/1146462> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.worldcat.org/fast/1146462> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telephone systems--Maintenance and repair" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#hasBroaderAuthority> <http://id.loc.gov/authorities/subjects/sh85133301> .
<http://id.loc.gov/authorities/subjects/sh85133301> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Topic> .
<http://id.loc.gov/authorities/subjects/sh85133301> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority> .
<http://id.loc.gov/authorities/subjects/sh85133301> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Telecommunication systems"@en .
<http://id.loc.gov/authorities/subjects/sh85133301> <http://www.loc.gov/mads/rdf/v1#elementList> _:b152iddOtlocdOtgovauthoritiessubjectssh85133438 .
_:b152iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.w3.org/1999/02/22-rdf-syntax-ns#first> _:b153iddOtlocdOtgovauthoritiessubjectssh85133438 .
_:b152iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.w3.org/1999/02/22-rdf-syntax-ns#rest> <http://www.w3.org/1999/02/22-rdf-syntax-ns#nil> .
_:b153iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#TopicElement> .
_:b153iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.loc.gov/mads/rdf/v1#elementValue> "Telecommunication systems"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#isMemberOfMADSCollection> <http://id.loc.gov/authorities/subjects/collection_LCSHAuthorizedHeadings> .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#isMemberOfMADSCollection> <http://id.loc.gov/authorities/subjects/collection_LCSH_General> .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/5811329> .
<http://id.loc.gov/resources/works/5811329> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/5811329> <http://id.loc.gov/ontologies/bflc/aap> "Bowles, Edward Lindley, 1897-1990 Edward Lindley Bowles papers" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/5197740> .
<http://id.loc.gov/resources/works/5197740> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/5197740> <http://id.loc.gov/ontologies/bflc/aap> "Akimaru, Haruo, 1927- Jōhō tsūshin nettowāku" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/2462659> .
<http://id.loc.gov/resources/works/2462659> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/2462659> <http://id.loc.gov/ontologies/bflc/aap> "Alter, Max, 1949- Business telephone systems in the 1990s" .
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<http://id.loc.gov/resources/works/602038> <http://id.loc.gov/ontologies/bflc/aap> "Beyond T1" .
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<http://id.loc.gov/resources/works/4948998> <http://id.loc.gov/ontologies/bflc/aap> "Bezar, David D. LAN times guide to telephony" .
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<http://id.loc.gov/resources/works/8603628> <http://id.loc.gov/ontologies/bflc/aap> "C-60 M dōjiku hōshiki" .
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<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/4175658> .
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<http://id.loc.gov/resources/works/4175658> <http://id.loc.gov/ontologies/bflc/aap> "Communications handbook for attorneys" .
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<http://id.loc.gov/resources/works/12393089> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/12393089> <http://id.loc.gov/ontologies/bflc/aap> "Dryburgh, Lee Signaling System No. 7 (SS7/C7)" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/454638> .
<http://id.loc.gov/resources/works/454638> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/454638> <http://id.loc.gov/ontologies/bflc/aap> "Economic and technical aspects of the choice of telephone switching systems" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/447041> .
<http://id.loc.gov/resources/works/447041> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/447041> <http://id.loc.gov/ontologies/bflc/aap> "Ėkspluatat︠s︡ii︠a︡ lineĭnykh sooruzheniĭ gorodskikh telefonnykh seteĭ" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/12971870> .
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<http://id.loc.gov/resources/works/12971870> <http://id.loc.gov/ontologies/bflc/aap> "Espinosa Espinosa, Roberto La Red telefónica y otras redes para telefonía" .
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<http://id.loc.gov/resources/works/2309538> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/2309538> <http://id.loc.gov/ontologies/bflc/aap> "Parfenov, I︠U︡riĭ Alekseevich Vlii︠a︡nie t︠s︡epeĭ PDI v kabeli︠a︡kh GTS" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/9032579> .
<http://id.loc.gov/resources/works/9032579> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/9032579> <http://id.loc.gov/ontologies/bflc/aap> "Print︠s︡ipy postroenii︠a︡ uchrezhdencheskoĭ kvaziėlektronnoĭ ATS sredneĭ emkostii" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/2883258> .
<http://id.loc.gov/resources/works/2883258> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/2883258> <http://id.loc.gov/ontologies/bflc/aap> "Private network strategies" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/3052110> .
<http://id.loc.gov/resources/works/3052110> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/3052110> <http://id.loc.gov/ontologies/bflc/aap> "Pulver, Jeff, 1962- The Internet telephone toolkit" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/4506399> .
<http://id.loc.gov/resources/works/4506399> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/4506399> <http://id.loc.gov/ontologies/bflc/aap> "Sells, Chris Windows telephony programming" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/9993941> .
<http://id.loc.gov/resources/works/9993941> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/9993941> <http://id.loc.gov/ontologies/bflc/aap> "Shtykelʹ, Ilʹi︠a︡ Efimovich Osnovy tekhniki, organizat︠s︡ii︠a︡ i ėkspluatat︠s︡ii︠a︡ provodnoĭ svi︠a︡zi" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/6237666> .
<http://id.loc.gov/resources/works/6237666> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/6237666> <http://id.loc.gov/ontologies/bflc/aap> "Sistema peredachi K-300" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/2711974> .
<http://id.loc.gov/resources/works/2711974> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/2711974> <http://id.loc.gov/ontologies/bflc/aap> "Smol, G. (Gaby) Telecommunications" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/4966142> .
<http://id.loc.gov/resources/works/4966142> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/4966142> <http://id.loc.gov/ontologies/bflc/aap> "Speech technology for telecommunications" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/3442528> .
<http://id.loc.gov/resources/works/3442528> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/3442528> <http://id.loc.gov/ontologies/bflc/aap> "Switch computer interfaces" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/4080560> .
<http://id.loc.gov/resources/works/4080560> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/4080560> <http://id.loc.gov/ontologies/bflc/aap> "Talley, David Basic telephone switching systems" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/4646594> .
<http://id.loc.gov/resources/works/4646594> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/4646594> <http://id.loc.gov/ontologies/bflc/aap> "Talley, David Basic telephone switching systems" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/4437147> .
<http://id.loc.gov/resources/works/4437147> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/4437147> <http://id.loc.gov/ontologies/bflc/aap> "Telecommunications grid architecture in the former Soviet Union" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/2977430> .
<http://id.loc.gov/resources/works/2977430> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/2977430> <http://id.loc.gov/ontologies/bflc/aap> "Telecommunications local networks" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/3959738> .
<http://id.loc.gov/resources/works/3959738> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/3959738> <http://id.loc.gov/ontologies/bflc/aap> "Thörner, Jan Intelligent networks" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/3355573> .
<http://id.loc.gov/resources/works/3355573> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/3355573> <http://id.loc.gov/ontologies/bflc/aap> "Vasilʹev, V. F. (Viktor Fadeevich) Povyshenie ėffektivnosti raboty predprii︠a︡tii︠a︡ gorodskoĭ telefonnoĭ seti" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/2045279> .
<http://id.loc.gov/resources/works/2045279> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/2045279> <http://id.loc.gov/ontologies/bflc/aap> "Voice communications" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/12825541> .
<http://id.loc.gov/resources/works/12825541> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/12825541> <http://id.loc.gov/ontologies/bflc/aap> "Walters, Stephen M. The new telephony" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/3794250> .
<http://id.loc.gov/resources/works/3794250> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/3794250> <http://id.loc.gov/ontologies/bflc/aap> "Wang, Weihan CZH-I xing dian hua ji zhong ji" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/ontologies/bflc/subjectOf> <http://id.loc.gov/resources/works/12565983> .
<http://id.loc.gov/resources/works/12565983> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/bibframe/Work> .
<http://id.loc.gov/resources/works/12565983> <http://id.loc.gov/ontologies/bflc/aap> "Yokoyama, Kunie Voice over the Internet" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#isMemberOfMADSScheme> <http://id.loc.gov/authorities/subjects> .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#note> "Here are entered general works on telephone systems. Works on telephone systems in a particular place are entered under [Telephone--[local subdivision].]" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://id.loc.gov/vocabulary/identifiers/lccn> "sh 85133438" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2002/07/owl#sameAs> <info:lc/authorities/sh85133438> .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2002/07/owl#sameAs> <http://id.loc.gov/authorities/sh85133438#concept> .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#adminMetadata> _:b433iddOtlocdOtgovauthoritiessubjectssh85133438 .
_:b433iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/RecordInfo#RecordInfo> .
_:b433iddOtlocdOtgovauthoritiessubjectssh85133438 <http://id.loc.gov/ontologies/RecordInfo#recordChangeDate> "1986-02-11T00:00:00"^^<http://www.w3.org/2001/XMLSchema#dateTime> .
_:b433iddOtlocdOtgovauthoritiessubjectssh85133438 <http://id.loc.gov/ontologies/RecordInfo#recordStatus> "new"^^<http://www.w3.org/2001/XMLSchema#string> .
_:b433iddOtlocdOtgovauthoritiessubjectssh85133438 <http://id.loc.gov/ontologies/RecordInfo#recordContentSource> <http://id.loc.gov/vocabulary/organizations/dlc> .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.loc.gov/mads/rdf/v1#adminMetadata> _:b440iddOtlocdOtgovauthoritiessubjectssh85133438 .
_:b440iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://id.loc.gov/ontologies/RecordInfo#RecordInfo> .
_:b440iddOtlocdOtgovauthoritiessubjectssh85133438 <http://id.loc.gov/ontologies/RecordInfo#recordChangeDate> "1987-06-18T09:03:36"^^<http://www.w3.org/2001/XMLSchema#dateTime> .
_:b440iddOtlocdOtgovauthoritiessubjectssh85133438 <http://id.loc.gov/ontologies/RecordInfo#recordStatus> "revised"^^<http://www.w3.org/2001/XMLSchema#string> .
_:b440iddOtlocdOtgovauthoritiessubjectssh85133438 <http://id.loc.gov/ontologies/RecordInfo#recordContentSource> <http://id.loc.gov/vocabulary/organizations/dlc> .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2008/05/skos-xl#altLabel> _:b450iddOtlocdOtgovauthoritiessubjectssh85133438 .
_:b450iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2008/05/skos-xl#Label> .
_:b450iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.w3.org/2008/05/skos-xl#literalForm> "Telephony"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#broader> <http://id.loc.gov/authorities/subjects/sh85133301> .
<http://id.loc.gov/authorities/subjects/sh85133301> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.loc.gov/authorities/subjects/sh85133301> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telecommunication systems"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrower> <http://id.loc.gov/authorities/subjects/sh85133386> .
<http://id.loc.gov/authorities/subjects/sh85133386> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.loc.gov/authorities/subjects/sh85133386> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone--Multiplex systems"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrower> <http://id.loc.gov/authorities/subjects/sh85037982> .
<http://id.loc.gov/authorities/subjects/sh85037982> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.loc.gov/authorities/subjects/sh85037982> <http://www.w3.org/2004/02/skos/core#prefLabel> "Digital telephone systems"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrower> <http://id.loc.gov/authorities/subjects/sh98004793> .
<http://id.loc.gov/authorities/subjects/sh98004793> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.loc.gov/authorities/subjects/sh98004793> <http://www.w3.org/2004/02/skos/core#prefLabel> "Cell phone systems"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrower> <http://id.loc.gov/authorities/subjects/sh88004612> .
<http://id.loc.gov/authorities/subjects/sh88004612> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.loc.gov/authorities/subjects/sh88004612> <http://www.w3.org/2004/02/skos/core#prefLabel> "Centrex telephone service"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrower> <http://id.loc.gov/authorities/subjects/sh85133391> .
<http://id.loc.gov/authorities/subjects/sh85133391> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.loc.gov/authorities/subjects/sh85133391> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone--Private branch exchanges"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrower> <http://id.loc.gov/authorities/subjects/sh98004350> .
<http://id.loc.gov/authorities/subjects/sh98004350> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.loc.gov/authorities/subjects/sh98004350> <http://www.w3.org/2004/02/skos/core#prefLabel> "Internet telephony"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrower> <http://id.loc.gov/authorities/subjects/sh85133437> .
<http://id.loc.gov/authorities/subjects/sh85133437> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.loc.gov/authorities/subjects/sh85133437> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone switching systems, Electronic"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrower> <http://id.loc.gov/authorities/subjects/sh89006751> .
<http://id.loc.gov/authorities/subjects/sh89006751> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.loc.gov/authorities/subjects/sh89006751> <http://www.w3.org/2004/02/skos/core#prefLabel> "Audiotex"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#closeMatch> <http://www.wikidata.org/entity/Q944584> .
<http://www.wikidata.org/entity/Q944584> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://www.wikidata.org/entity/Q944584> <http://www.w3.org/2004/02/skos/core#prefLabel> "telephony" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#closeMatch> <http://purl.org/bncf/tid/1564> .
<http://purl.org/bncf/tid/1564> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://purl.org/bncf/tid/1564> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telefonia"@it .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#closeMatch> <http://www.yso.fi/onto/yso/p4334> .
<http://www.yso.fi/onto/yso/p4334> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://www.yso.fi/onto/yso/p4334> <http://www.w3.org/2004/02/skos/core#prefLabel> "puhelinjärjestelmät"@fi .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#closeMatch> <http://datos.bne.es/resource/XX526720> .
<http://datos.bne.es/resource/XX526720> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://datos.bne.es/resource/XX526720> <http://www.w3.org/2004/02/skos/core#prefLabel> "Teléfono"@es .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#closeMatch> <http://id.worldcat.org/fast/1146455> .
<http://id.worldcat.org/fast/1146455> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.worldcat.org/fast/1146455> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrowMatch> <http://id.worldcat.org/fast/1146459> .
<http://id.worldcat.org/fast/1146459> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.worldcat.org/fast/1146459> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems--Design and construction" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrowMatch> <http://id.worldcat.org/fast/1146468> .
<http://id.worldcat.org/fast/1146468> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.worldcat.org/fast/1146468> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems--Reliability" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrowMatch> <http://id.worldcat.org/fast/1146460> .
<http://id.worldcat.org/fast/1146460> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.worldcat.org/fast/1146460> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems--Economic aspects" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrowMatch> <http://id.worldcat.org/fast/1146472> .
<http://id.worldcat.org/fast/1146472> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.worldcat.org/fast/1146472> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems--Testing" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrowMatch> <http://id.worldcat.org/fast/1146471> .
<http://id.worldcat.org/fast/1146471> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.worldcat.org/fast/1146471> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems--Standards" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrowMatch> <http://id.worldcat.org/fast/1146465> .
<http://id.worldcat.org/fast/1146465> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.worldcat.org/fast/1146465> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems--Planning" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrowMatch> <http://id.worldcat.org/fast/1146463> .
<http://id.worldcat.org/fast/1146463> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.worldcat.org/fast/1146463> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems--Management" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrowMatch> <http://id.worldcat.org/fast/1146458> .
<http://id.worldcat.org/fast/1146458> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.worldcat.org/fast/1146458> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems--Data processing" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrowMatch> <http://id.worldcat.org/fast/1146467> .
<http://id.worldcat.org/fast/1146467> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.worldcat.org/fast/1146467> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems--Rates" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrowMatch> <http://id.worldcat.org/fast/1146464> .
<http://id.worldcat.org/fast/1146464> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.worldcat.org/fast/1146464> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems--Mathematical models" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrowMatch> <http://id.worldcat.org/fast/1146456> .
<http://id.worldcat.org/fast/1146456> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.worldcat.org/fast/1146456> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems--Automation" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrowMatch> <http://id.worldcat.org/fast/1146469> .
<http://id.worldcat.org/fast/1146469> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.worldcat.org/fast/1146469> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems--Security measures" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrowMatch> <http://id.worldcat.org/fast/1146457> .
<http://id.worldcat.org/fast/1146457> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.worldcat.org/fast/1146457> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems--Computer programs" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrowMatch> <http://id.worldcat.org/fast/1146473> .
<http://id.worldcat.org/fast/1146473> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.worldcat.org/fast/1146473> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems--US states" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrowMatch> <http://id.worldcat.org/fast/1146470> .
<http://id.worldcat.org/fast/1146470> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.worldcat.org/fast/1146470> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems--Social aspects" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrowMatch> <http://id.worldcat.org/fast/1146466> .
<http://id.worldcat.org/fast/1146466> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.worldcat.org/fast/1146466> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems--Purchasing" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#narrowMatch> <http://id.worldcat.org/fast/1146462> .
<http://id.worldcat.org/fast/1146462> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://id.worldcat.org/fast/1146462> <http://www.w3.org/2004/02/skos/core#prefLabel> "Telephone systems--Maintenance and repair" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#note> "Here are entered general works on telephone systems. Works on telephone systems in a particular place are entered under [Telephone--[local subdivision].]" .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#inScheme> <http://id.loc.gov/authorities/subjects> .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#altLabel> "Telephony"@en .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#changeNote> _:b615iddOtlocdOtgovauthoritiessubjectssh85133438 .
_:b615iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/vocab/changeset/schema#ChangeSet> .
_:b615iddOtlocdOtgovauthoritiessubjectssh85133438 <http://purl.org/vocab/changeset/schema#subjectOfChange> <http://id.loc.gov/authorities/subjects/sh85133438> .
_:b615iddOtlocdOtgovauthoritiessubjectssh85133438 <http://purl.org/vocab/changeset/schema#creatorName> <http://id.loc.gov/vocabulary/organizations/dlc> .
_:b615iddOtlocdOtgovauthoritiessubjectssh85133438 <http://purl.org/vocab/changeset/schema#createdDate> "1986-02-11T00:00:00"^^<http://www.w3.org/2001/XMLSchema#dateTime> .
_:b615iddOtlocdOtgovauthoritiessubjectssh85133438 <http://purl.org/vocab/changeset/schema#changeReason> "new"^^<http://www.w3.org/2001/XMLSchema#string> .
<http://id.loc.gov/authorities/subjects/sh85133438> <http://www.w3.org/2004/02/skos/core#changeNote> _:b623iddOtlocdOtgovauthoritiessubjectssh85133438 .
_:b623iddOtlocdOtgovauthoritiessubjectssh85133438 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/vocab/changeset/schema#ChangeSet> .
_:b623iddOtlocdOtgovauthoritiessubjectssh85133438 <http://purl.org/vocab/changeset/schema#subjectOfChange> <http://id.loc.gov/authorities/subjects/sh85133438> .
_:b623iddOtlocdOtgovauthoritiessubjectssh85133438 <http://purl.org/vocab/changeset/schema#creatorName> <http://id.loc.gov/vocabulary/organizations/dlc> .
_:b623iddOtlocdOtgovauthoritiessubjectssh85133438 <http://purl.org/vocab/changeset/schema#createdDate> "1987-06-18T09:03:36"^^<http://www.w3.org/2001/XMLSchema#dateTime> .
_:b623iddOtlocdOtgovauthoritiessubjectssh85133438 <http://purl.org/vocab/changeset/schema#changeReason> "revised"^^<http://www.w3.org/2001/XMLSchema#string> .