- AIDS Posters Collection386
- Adams (Peggy Hamilton) Papers35
- Adelbert Bartlett Papers, 1922-1950415
- Africa Collections40
- Aldous and Laura Huxley Papers, 1925-200734
- Alexander Klemin Papers, 1900-19502
- Arai Family Papers, 1877-19721
- Arkatov (James) collection9
- Arthur B. Spingarn Papers, ca. 1900-19711
- Bound Manuscripts Collection4
- Broadside Ballads from England, Ireland, and the United States.5
- Bunche (Ralph J.) Papers1
- C.C. Pierce Photographic Collection, circa 1898-193419
- Carey McWilliams Papers, 1894-1982 (bulk 1921-1980)4
- Cashin (Bonnie) Collection of Fashion, Theater and Film Costume Design, 1913-20004,291
- Centro Cultural Tallersol (Chile)1
- Charles Kikuchi Papers, 1941-19881
- Collection of California Fruit Labels, ca. 1905-19494
- Collection of Zionist Posters Promoting Israel to Diaspora Jews, 1940-197937
- Columbia Pictures stills and key books226