- Natural and social sciences--Medicine6
- Political poetry, English6
- Singers--France6
- Social workers--United States6
- Tuberculosis--Great Britain6
- Voyages to the Pacific coast6
- Women--Conduct of life6
- World War, 1914-1918--Personal narratives, French6
- Ciphers5
- Cowboys--Sexual behavior--South Dakota5
- Cowboys--Sexual behavior--West (U.S.)5
- Cowboys--South Dakota5
- Cowboys--West (U.S.)5
- Cryptography --Great Britain5
- English language--Slang5
- English literature--17th century5
- English poetry--18th century5
- Epigrams5
- Frontier and pioneer life--South Dakota5
- Gay men--Sexual behavior--United States5
Libraries & Collections
- Arts Library
- Bass Library
- Beinecke Library
- Classics Library
- Divinity Library
- Film Study Center
- Fortunoff Archive
- Humanities Collections
- International Collections
- Law Library
- Lewis Walpole Library
- Library Collection Services
- Manuscripts & Archives
- Map Collection
- Marx Science & Social Science Library
- Medical Library
- Music Library
- Sterling Library
- Yale Center for British Art
