- Frederick R. Koch collection (GEN MSS 601)384
- Joseph Brodsky papers (GEN MSS 613)344
- Photographs of prominent African Americans (JWJ MSS 76)326
- Gertrude Stein and Alice B. Toklas papers (YCAL MSS 76)313
- Edith Wharton collection (YCAL MSS 42)295
- Katherine S. Dreier papers / Socie?te? Anonyme archive (YCAL MSS 101)279
- William Carlos Williams papers (YCAL MSS 116)261
- James Weldon Johnson and Grace Nail Johnson papers (JWJ MSS 49)259
- Czesław Miłosz papers (GEN MSS 661)253
- Walt Whitman collection (YCAL MSS 202)253
- Bryher papers (GEN MSS 97)251
- Edwin J. Beinecke Collection of Robert Louis Stevenson (GEN MSS 664)245
- Richard Henry Pratt papers (WA MSS S-1174)240
- Norton Nicholls papers (Osborn c467)235
- The Southern Review records (YCAL MSS 694)224
- Andrew J. Russell photographs taken during construction of the Union Pacific Railroad (ZZc10 864un)203
- Franz R. and Kathryn M. Stenzel collection of western American art (WA MSS S-2368)203
- H. D. Papers (YCAL MSS 24)193
- Elizabeth Willis DeHuff Collection of American Indian Art (WA MSS S-150)186
- Ezra Stiles Papers (GEN MSS 1475)186