Collection
- John D. Griffin papers, 1938-1990, Date acquired: 09/06/20192
- John W. Senders Working Collection, 1880-20142
- Joseph Caltagirone papers, 1940-20232
- Joseph Hrabovsky collection, 1944-2007, Date accessioned: 2011-06-162
- Joseph Z. Smith Collection, Circa 1922-20002
- K. Mélanie Edwards Collection, 1910-19882
- Keith Beauchamp Papers, 1950, 1955, 2001-2006, 2015, 2018, bulk 2001-20062
- Learning Resources Papers, bulk 1962-19922
- Lois S. Lee collection, 1943-1946, 1998, Date accessioned: 2019-02-212
- Lopez-Portillo y Lancaster-Jones Collection, 1784-20232
- Lucile M. Jung collection, 1940-1994, Date accessioned: 2001-04-252
- Lynn Pippenger collection, 1963-20132
- Maks Dikarev Naval Cover Collection, 1927-1941, 1954-19822
- Margaret Brockett collection, 1917-2010, Date accessioned: 2019-11-082
- Mark Wallheiser Photographic Collection, 1980-20242
- Martha Munzer Collection, circa. 1975 - 19662
- Marvin Dunn Collection, bulk 1843-20092
- Melodie Moorehead Papers, 1970-20212
- Michael E. Krauss collection, 1882-1989, Date acquired: 00/00/2018, bulk 1958-19892
- Michael Heinl Collection, 1910-19992