- Photography30
- Photography, Artistic30
- Serbo-Croatian language28
- Geodesy27
- Russian26
- History, Military24
- Bibliography20
- Slavic languages19
- Ukrainian literature18
- Antiquities17
- Technology17
- Commerce16
- German language13
- Czech language12
- Education12
- Learned institutions and societies12
- Literature12
- Military art and science12
- Russian imprints12
- Travel12
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
