- Longcase clocks1
- Manuscripts, Medieval1
- Medical colleges1
- Medical libraries1
- Microscopes1
- Middle East1
- Military officers1
- Monks1
- Napoleonic Wars, 1800-18151
- Nature1
- Nurses1
- Physician and patient1
- Poets1
- Population1
- Proposed invasion of England, 1793-18051
- Psychiatric hospitals1
- Public health nurses1
- Quarreling1
- Roads1
- Roses1
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
