The Library of Congress > Linked Data Service
  Label Vocabulary Concept Subdivision Identifier
21. History--21st century LC Subject Headings (LCSH)
Complex Subject General Subdivision sh2002006168
22. Study and teaching LC Subject Headings (LCSH)
Topic General Subdivision sh2001008697
23. Library resources LC Subject Headings (LCSH)
Topic General Subdivision sh2002006396
24. Information services LC Subject Headings (LCSH)
Topic General Subdivision sh00006253


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