- "Justus ut palma a 3 Canto e Alto e Basso" manuscript, 1800/18251
- Alexander Haight family collection, 1764/19763
- Alexander Haight family collection, 1764/19773
- C. Harrison Mann, Jr. Map Collection, 1579/19611
- C. Harrison Mann, Jr. map collection, 1579/19611
- Carol R. Lubin papers, 1960/19812
- Clark E. Warburton papers, 1920/19795
- Edward Vitale violin music collection, 1700/19001
- Edwin W. Lynch Vietnam War protest collection, 1965/19756
- George Mason University Student Government records, 1968/20191
- James M. Buchanan papers, 1800/20142
- John N. Paden papers, 1938/20102
- Mason family manuscript account book, 1792/18204
- Michael La Vean French documents collection, 1751/18514
- Performing arts manuscripts collection, 1475/19845