Collection
- Gaius Dickinson Letters1
- Galt Papers (I)36
- Galt Papers (III)14
- Gamble Papers, Letters and Photographs1
- Gary Weiner, Collector, Papers1
- Gaspard Monge Portrait Print1
- Geo. Gregory Smart collection of Washington and Mount Vernon ephemera4
- George Baker Family Genealogy1
- George Couchman Family Papers1
- George Frederick Holmes Papers1
- George Hancock Correspondence1
- George Mason Papers2
- George Mason University Student Government records1
- George Washington Facsimiles1
- George Washington Lewis papers1