- J. Calvitt Clarke Jr. Papers, 1954/19991
- J. Davitt McAteer Papers regarding Mining Safety, 1860/2013, bulk 1970/201069
- J. Hoge Tyler Diary, 1846/2009, bulk 1846/19251
- J. Marshall Neathery Genealogy, 19961
- J. Paul Hudson Papers, 1930/19983
- J. Paxton Marshall Papers,, 1967/19964
- J. Randolph Ruffin Papers, 1956/19932
- J. Robert Rice, Collector, Civil War Diary of Joshua Rice, 1857/2018, bulk 1857/18811
- JMU Athletics posters, 1976/2000, bulk 1990/20005
- JMU: A social history of student life oral histories, 199610
- Jack Censer collection, 1953/2011, bulk 201188
- Jack Eric Morpurgo Papers, 1937/2000, bulk 1950/19706
- Jack R. Levien papers, 1960/19992
- Jack Sandy Anderson, Compiler, Historical Records regarding West Virginia, 1801/20131
- Jack Sandy Anderson, Compiler, Local History Articles and Genealogy Papers, 1600/2011, bulk 2000/200811