- August R. Offer, Jr. Papers, 1945/19461
- Edwin Luther Green Papers, 1865/19271
- Envelope with commemorative 200th anniversary of Gunston Hall stamp1
- Ephemera Collection, 1800/20141
- German postal covers collection, 1893/1930, bulk 1920/19231
- Grant E. Mouser Stamp Collection1
- Historic ephemera collection, 1796/19864
- International First Day Covers Honoring America's Bicentennial, 19761
- John Bassett Moore papers, 1894/19661
- Kathryn Eye Papers, 1920/19911
- Kenneth W. Newman Records, 1971/20041
- Philip S. Hench Walter Reed Yellow Fever collection, 1800/1998, bulk 1863/19745
- Roy J. Grimley, Sr. Philately Collection, 19491
- Ryland Correspondence Collection, 1843/19881
- Stephanie C. Steele-Behrens papers, 1985/19951