The Library of Congress > Linked Data Service
  Label Vocabulary Concept Subdivision Identifier
1. Portraits LC Subject Headings (LCSH)
GenreForm Form Subdivision sh99001681
Portraits, caricatures, etc ; Portraits, etc
2. Autographs LC Subject Headings (LCSH)
GenreForm Form Subdivision sh99001359
Handwriting ; Signatures (Writing)
3. Sources LC Subject Headings (LCSH)
GenreForm Form Subdivision sh2002012007
Primary sources


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