Collection
- International Association of Fire Fighters, bulk date unknown1
- International Association of Machinist Aerospace Workers, bulk 1977-19981
- International Programs Records, 1974–2005 (with some undated items)1
- International postcard collection, 1905-19901
- Intown Business Women's Club Records, 1981-2003, Date acquired: 08/00/20061
- Irene Riley Hart Collection, Circa 1978-20051
- Isidoro and Aida Vega collection, 1930-01-01-2003-01-011
- Ivan and Frances Austin Collection, Circa 1916-19881
- J. Charles "Charlie" Christensen collection, 1925-1989, Date acquired: 09/22/20171
- J. Floyd Monk Collection, bulk 1826-19991
- J. M. "Sudsy" Tschiderer Student Activities photographic collection, 1965-19891
- J. M. "Sudsy" Tschiderer Student Publications collection, 1969-19951
- J. Mason Gray papers, 1972-1986, Date acquired: 00/00/19931
- J. Paul Hartman Slide Collection, 1605-2006, bulk 1905-19931
- J.L. Reed and Son photograph collection, 1938-20131
- Jack Abramowitz Book Collection, 1938-19981
- Jack B. Moore papers, 1922-1993, Date acquired: 00/00/19751
- Jack B. Newman collection, 1943-2002, Date acquired: 09/17/2002, bulk 19441
- Jack Crothers Collection, 1962-20041
- Jack H. Heinzel transcript, 1941-2000, Date acquired: 03/27/2000, bulk 1941-19451