- Account Ledger and Diary (Upstate New York), 1886/1907, bulk 1890/19001
- Acker Family Diaries, 1880/19061
- Alexander Sterrett Paxton Papers, 1858/1959, bulk 1861/18651
- Amos Koontz Papers II, 1865/19701
- Anatole and Vladimir Kalichevsky Papers, 1871/19551
- Anne T. Chapman Papers, 1884/19541
- Augustus C. Golding Papers, 1859/1934, bulk 1862/18641
- Ball Family Papers, 1887/19761
- Barraud Family Papers, 1799/1904, bulk 1810/18601
- Benjamin Huddle Diary, 1861/20061
- Benjamin Thompson Papers, 1810/18961
- Bettie Hiter Willis Papers, 1864/19421
- Birds Nest Chapel Record Book, 1862/19001
- Blackley Family papers, 1830/20201
- Blain Family papers, 1861/19051