- Anson Du Puy Van Buren letters, 1863/19971
- Aquilla Matthews papers, 1925/19841
- Charlotte Ursula Zolotow papers, 1930/20131
- Georgia O'Keeffe letter, 19551
- Hermann Zapf letters and ephemera, 1951/19881
- Irene Orzechowski papers, 1943/19641
- James Edward Harrison and Lady Nancy Astor correspondence, 1919/19721
- Jenkins family letters, 1943/19601
- Leon Paul Blouet "Max O'Rell" papers, 1889/20051
- Pearl S. Buck letters, 1942/19631
- Pearl S. Buck papers, 1942/19641
- Steptoe C. Wood and Lucie Wood Saunders letters, 1950/19701
- Waller family papers, 1677/19651
- William M. Harrison, Jr. family papers, 1927/19681