- Ferdinand Eberstadt Papers, 1868-1970 (mostly 1935-1965)413
- Miriam Y. Holden Collection, 1676-1993 (mostly 1930-1969)347
- Association on American Indian Affairs Records, 1851-2016 (mostly 1922-1995)320
- Princeton University Press Records, 1905-2014 (mostly 1940-1999)319
- Sylvia Beach Papers, 1872-1999319
- James V. Forrestal Papers, 1907-1958 (mostly 1940-1949)314
- Woodrow Wilson Foundation Records, 1888-1987 (mostly 1921-1963)312
- Georges Florovsky Papers, 1892-1986 (mostly 1950-1969)300
- David E. Lilienthal Papers, 1900-1981 (mostly 1950-1981)289
- Adlai E. Stevenson Papers, 1861-2001 (mostly 1952-1965)279
- United Service to China Records, 1934-1967 (mostly 1941-1950)268
- Hamilton Fish Armstrong Papers, 1893-1973 (mostly 1916-1973)259
- Department of Geosciences Records, 1845-2017249
- H. Alexander Smith Papers, 1897-1966 (mostly 1920-1966)247
- Office of Communications Records, 1917-2022232
- Arthur Krock Papers, 1909-1974 (mostly 1930-1974)231
- American Civil Liberties Union Records: Subgroup 2, Organizational Matters Series, 1947-1995229
- Albert Einstein Duplicate Archive, 1859-1979 (mostly 1912-1955)223
- Delafield Family Papers, 1393-1985 (mostly 1800-1950)216
- Historical Photograph Collection, Campus Life Series, circa 1850-2015213
