- Betsy Beinecke Shirley collection of American children's literature (GEN MSS 764)32
- G. Rosimov (I︠U︡riĭ Ofrosimov) papers (GEN MSS 312)28
- Lavater collection (YCGL MSS 13)25
- Alfred Schutz papers (GEN MSS 129)23
- Annie Schletter papers (GEN MSS 547)23
- Kurt Seligmann papers (YCAL MSS 827)17
- Flora Stieglitz Straus collection of Stieglitz family papers (YCAL MSS 89)15
- Julia Driver collection of women in photography (GEN MSS 690)15
- Natalini Superstudio collection (GEN MSS 796)15
- Daisy Aldan papers (YCAL MSS 613)14
- Edmond Pauker papers (GEN MSS 118)14
- Ernst Cassirer papers : addition (GEN MSS 355)14
- Arnold Ronnebeck papers (YCAL MSS 692)13
- Piet Mondrian papers (GEN MSS 1102)13
- William A. Speck collection of Goetheana : music (YCGL MSS 9)11
- Henry Miller Papers (YCAL MSS 472)10
- Elena Wilson papers (YCAL MSS 188)9
- Walter L. Pforzheimer papers (GEN MSS 817)9
- M. Esther Harding collection (GEN MSS 939)8
- Winkler collection (YCGL MSS 14)8