- G. A. Brown Account Book, 1861/18682
- G. G. Davison Receipt Book, 1853/18761
- G. Glenwood Clark Papers, 1916/19671
- G. Horace Tarr Letter, 18632
- G. Lyman Dwight Correspondence, 1861/18632
- G.P. Gardner, Three Ambrotypes, 1847/18651
- Gabriel Galt Williamson collection, 1825/19391
- Gaius Dickinson Letters, 1791/19301
- Galen W. Ewing Papers, 1840/1938, bulk 1840/19382
- Gallaher and Briscoe Family Confederate Papers, 1858/19252
- Galt Papers (I), 1745/189217
- Galt Papers (III), 1750/199189
- Galt Papers (III-A), 1848/19175
- Galt Papers (IV), 1819/18752
- Gamaliel Lyman Dwight and Sarah Helen Whitman papers, 1862/18632