- Carlyle family photograph album. Volume 531
- Carnegie Endowment for International Peace New York and Washington Offices Records30
- Joseph Pulitzer papers29
- George A. Plimpton Papers26
- Book Arts Collection24
- American Bureau for Medical Aid to China Records22
- Park Benjamin Book Collection22
- Gail Mary Killian and Stephen Desroches sound recordings21
- Carnegie Foundation for the Advancement of Teaching Records19
- Historical Collection of Children's Literature19
- Mort Lindsey Scores and Papers19
- Speech Recordings Collection19
- Plimpton Family Papers18
- Brander Matthews Dramatic Museum Records, 1732-199517
- Mirra Ginsburg Papers17
- Incunabula15
- Richard Brick and Geri Ashur Collection15
- Varsity Show Records14
- Rare Book & Manuscript Library General Manuscript Collection13
- Thomas Whiteside Papers13
- Archive of the Inquisition of Bologna12
- C. L. R. James Papers11
- Edward MacDowell Papers11
- Boris Sapir Papers10
- Leo H. Downes Papers10
- Manuel Ramos Otero papers10
- Maurice Peress Collection10
- David Eugene Smith Library9
- Jack Agüeros Papers, 1914-20129
- Vladimir Babishvili recordings9
- Tennessee Williams Papers8
- Carnegie Council on Ethics & International Affairs Records7
- David Hamburg papers 1949-20037
- Mechelen Hospital Archive7
- Nicholas Murray Butler Papers7
- Phoenix Collection7
- Seligman Books7
- William Neal Brown papers7
- Amos Vogel Papers6
- Douglas Moore Papers6
- Leopold Haimson Papers6
- M. Moran Weston Papers6
- Tom Clark papers6
- Zosa Szajkowski Collection6
- Angelika Balabanova Sound Tapes5
- Committee to Protect Journalists records5
- George Economou Papers5
- Lee Lockwood Papers5
- Rare Book & Manuscript Library General Rare Book Collection5
- University Protest and Activism Collection5
- Allen Ginsberg Papers4
- Eugene H. Nickerson papers, 1955-19704
- H. Lawrence Freeman Papers4
- Laura Keane Zametkin Hobson Papers4
- Pavel Nikolaevich Miliukov Papers4
- Smith Oriental Manuscripts4
- Bomb Magazine records3
- Columbia University Rare Book and Manuscript Library Papyrus Collection3
- David Dinkins Papers3
- Edward Said Papers3