<http://id.loc.gov/authorities/subjects/sh85137522> <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/sh85137522> <http://www.w3.org/2004/02/skos/core#prefLabel> "Plane trigonometry"@en . 
<http://id.loc.gov/authorities/subjects/sh85137522> <http://www.w3.org/2008/05/skos-xl#altLabel> _:bnode7authoritiessubjectssh85137522 . 
_:bnode7authoritiessubjectssh85137522 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2008/05/skos-xl#Label> . 
_:bnode7authoritiessubjectssh85137522 <http://www.w3.org/2008/05/skos-xl#literalForm> "Trigonometry, Plane"@en . 
<http://id.loc.gov/authorities/subjects/sh85137522> <http://www.w3.org/2004/02/skos/core#broader> <http://id.loc.gov/authorities/subjects/sh85137519> . 
<http://id.loc.gov/authorities/subjects/sh85137522> <http://www.w3.org/2004/02/skos/core#inScheme> <http://id.loc.gov/authorities/subjects> . 
<http://id.loc.gov/authorities/subjects/sh85137522> <http://www.w3.org/2004/02/skos/core#altLabel> "Trigonometry, Plane"@en . 
<http://id.loc.gov/authorities/subjects/sh85137522> <http://www.w3.org/2004/02/skos/core#changeNote> _:bnode16authoritiessubjectssh85137522 . 
_:bnode16authoritiessubjectssh85137522 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/vocab/changeset/schema#ChangeSet> . 
_:bnode16authoritiessubjectssh85137522 <http://purl.org/vocab/changeset/schema#subjectOfChange> <http://id.loc.gov/authorities/subjects/sh85137522> . 
_:bnode16authoritiessubjectssh85137522 <http://purl.org/vocab/changeset/schema#creatorName> "Library of Congress, Network Development and MARC Standards Office" . 
_:bnode16authoritiessubjectssh85137522 <http://purl.org/vocab/changeset/schema#createdDate> "1986-02-11T00:00:00"^^<http://www.w3.org/2001/XMLSchema#dateTime> . 
_:bnode16authoritiessubjectssh85137522 <http://purl.org/vocab/changeset/schema#changeReason> "new"^^<http://www.w3.org/2001/XMLSchema#string> . 
<http://id.loc.gov/authorities/subjects/sh85137522> <http://www.w3.org/2004/02/skos/core#changeNote> _:bnode25authoritiessubjectssh85137522 . 
_:bnode25authoritiessubjectssh85137522 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/vocab/changeset/schema#ChangeSet> . 
_:bnode25authoritiessubjectssh85137522 <http://purl.org/vocab/changeset/schema#subjectOfChange> <http://id.loc.gov/authorities/subjects/sh85137522> . 
_:bnode25authoritiessubjectssh85137522 <http://purl.org/vocab/changeset/schema#creatorName> "Library of Congress, Network Development and MARC Standards Office" . 
_:bnode25authoritiessubjectssh85137522 <http://purl.org/vocab/changeset/schema#createdDate> "1992-07-15T10:50:19"^^<http://www.w3.org/2001/XMLSchema#dateTime> . 
_:bnode25authoritiessubjectssh85137522 <http://purl.org/vocab/changeset/schema#changeReason> "revised"^^<http://www.w3.org/2001/XMLSchema#string> .