- G. A. Brown Account Book, 1861/18682
- G. A. Williams Letter to Charles Lanman, 18582
- G. B. Keeler Diary, 1879/18871
- G. Burke Johnston Papers, 1900/1993236
- G. C. Bales Tourist Camp Collection, 1945/196016
- G. C. Beard Business Records, 1898/194036
- G. C. Lane certificate, 18772
- G. Carrington Williams papers, 1945/194828
- G. D. Davis Ledgers,
1913-19151
- G. E. Roberts Letter, 18742
- G. F. Holland letter, 18921
- G. Firth mathematic notebook, 1796/17991
- G. G. Davison Receipt Book, 1853/18762
- G. Glenwood Clark Papers, 1916/1967108
- G. Grahame Duce Papers, 1920/194713