The Library of Congress > Linked Data Service
  Label Dataset Type Subdivision Identifier
21. Computer networks

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh99005294
Networks, Computer
22. Packing

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh00006876
23. Customer services

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh99005473
24. Heating and ventilation

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh00006016
Ventilation
25. Documentation

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh99005687
26. Geographic information systems

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh2003007733
27. Sanitation

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh00007929
28. Preservation

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh99005403
29. Job descriptions

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh2003007735
Descriptions of jobs ; Occupational descriptions ; Position descriptions
30. Production standards

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh00007505
31. Recreational use

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh2002007654
32. Defects

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh99005477
33. Collectibles

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh99005226
34. Therapeutic use

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh2001008985
Medicinal use ; Use in therapeutics
35. Power supply

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh00006955
36. Safety appliances

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh00007615
37. Abstracting and indexing

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh99002070
Indexing
38. Censorship

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh99004926
Prohibited books
39. Collection and preservation

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh99005228
Preservation and collection
40. Awards

LC Subject Headings (LCSH)
Topic
SimpleType
Authority
General Subdivision sh00007725


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