Collection
- Michael A. Spencer Collection on Theodore Mead, 1887-19398
- Michael D. Kolb collection, 1998-2002, Acquired: 03/14/20038
- Myrtle Bailey Collection, 1906-19438
- Natalie Anderson collection, 1929-1982, Date acquired: 08/04/20068
- Niela M. Eliason "City In Transition" collection, 1983-19888
- Peruvian Collections, 1910-19698
- Philip Lester Brinson collection, 1940-19948
- Philip Wylie Typescripts, 1946, 1955-19588
- Polly Marks Whitley Collection, 1947-1948, 1988, Date acquired: 09/10/20108
- Raymond L. Willett collection, 1942-1945, Date acquired: 05/25/20168
- Reedy, Agnes Irene, Papers, 1942-1982, Date acquired: 10/00/19838
- Reese, John Lewis, Papers, Date acquired: 00/00/19848
- Richard Seemel collection, 1945-1945, Date acquired: 2015-11-18, Date accessioned: 2020-06-02, bulk 19458
- Robert J. Keefer papers, 1939-1999, Date acquired: 05/28/2000, bulk 1939-19458
- Robert S. McClelland collection, 1939-1945, Date acquired: 2005-05-06, Date accessioned: 2020-05-27, bulk 19458
- Roderick Gaspero and James Kirkpatrick Shaw Papers, 1861-1864, Date acquired: 05/11/19648
- Rogelio Caparros Photograph Collection, 1957-1963, 20198
- Ronald Morgan papers, 1944-1946, Date acquired: 10/02/20018
- Russell Homer Johnson papers, 1943-1951, Date acquired: 12/08/2008, bulk 19448
- Salvador Dalí "Lithographs for the People, the World of Currier & Ives" Collection, 19718