- Mining districts1
- Mining engineering1
- Missions1
- Motion picture actors and actresses5
- Motion picture industry5
- Musicians1
- Nautical charts1
- Naval operations1
- Paiute Indians3
- Parades4
- Photographers8
- Photography6
- Photography of trees1
- Photography, Stereoscopic6
- Placer mining2
- Police1
- Politics and government3
- Pomo Indians1
- Presbyterian Church1
- Prisoners1
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
