Collection
- Janet Covieau Rohlin collection, 1933-2002, Date acquired: 02/13/2018, bulk 1943-19471
- Janet Wells collection, 1943-2001, Date acquired: 03/04/1999, bulk 1943-19461
- Jean Allen Battle Research collection, 1919-1989, Date acquired: 00/00/19921
- Jean Chance research file on Henrietta Poynter, bulk 1930s-1990s1
- Jean Crosby Olsen collection, 1937-2007, Date acquired: 06/19/20121
- Jean Trebbi ABC Book Collection, 1852-20091
- Jessie C. Rohrer collection, 1891-1987, Date acquired: 00/00/19971
- Joe Carlucci Papers, 1911-19861
- Joe Louis Reliford Collection, 1952-20031
- Joe Merman Sheet Music Collection, 1909-19991
- John Albright Collection on Paul Dirac, 1912-19901
- John B. Savard papers, 1919-1985, Date acquired: 04/07/1998, Date accessioned: 2017-06-21, bulk 1943-19451
- John Boda Collection, 1945-20011
- John Carpenter collection, 1957-2018, Date acquired: 00/00/20181
- John D. MacDonald Book Collection, 1948-19951
- John E. Mathews, Jr. Papers, 1900-19881
- John E. Phillip Pickett collection, 1942-1999, Date accessioned: 2001-06-071
- John F. Cawley Collection, 1944-2010, Date acquired: 06/19/00091
- John Fritchey Collection, 1977-19931
- John Fritchey Collection, Circa 1980-19901