- Addison H. Smith papers, 1917/1970, bulk 1917/19221
- Betty White Loving diaries, 1941/19421
- Climate Capsule journals, 20191
- Collection of W. W. Yen materials, 1899/19741
- DeWitt Clinton Gallaher scrapbook and diary transcript, 1863/19251
- Garrard Glenn papers, 1901/19511
- Homan W. Walsh diaries, 1930/19631
- Howard University student diary, 19151
- John G. Staysa Civil War Diary, 18621
- John William "John Billy" Peyton diaries and account books, 1862/19111
- Mary Helen Detmer journal, 19961
- Petra Vogt papers, 1966/19781
- Richard J. DeMartino papers, 1910/19651
- Sir Fitzroy Maclean papers, 1827/19961
- Thomas Moody journal, 1796/18101