- French language--Provincialisms--Early works to 18001
- Herbals1
- Horoscopes1
- Hunting -- Early works to 18002
- Hygiene4
- Imaginary conversations--Early works to 18001
- Incunabula in Yale Library.2
- Law--Great Britain--History1
- Life on other planets--Early works to 18001
- Liturgics2
- Liturgy2
- Lord's Supper.1
- Magic--Early works to 18001
- Manuscripts19
- Manuscripts, Greek1
- Materia medica1
- Mathematics1
- Medicine21
- Medicine, Arab5
- Medicine, Greek and Roman7
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
