- Letterpress printing1
- Lumber trade1
- Lynching1
- Lynchings1
- Mexican American children1
- Mexican American farmers1
- Mexican American women1
- Mexican War, 1846-18481
- Migrant agricultural laborers1
- Mining districts1
- Mining engineering1
- Missions1
- Musicians1
- Naval operations1
- Overland journeys to the Pacific1
- Photographers1
- Photography of trees1
- Police1
- Pomo Indians1
- Presbyterian Church1
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
