Collection
- J.H. and J.B. Norwood Papers, 1866-18801
- John H. Robinson Papers, 1912-19191
- John J. Mather Papers, 1965-19961
- John S. Schultze Papers, 1872-19011
- Lebanon Springs, New York Post Office Records, 1893-18951
- Lotteries Collection, 1790-18831
- Lovell and Nichols Lumber Mill Records, 1869-18821
- Lyon Family Papers, 1872-18861
- Mark Woodbury Papers, 1818-18431
- Muzzey General Store Records, 1833-19031
- New Haven and West Haven Horse Railroad Company Records, 1865-18941
- New York Canals Collection, 1828-18831
- New York, New Haven, and Hartford Railroad Company Records, 1849-19261
- New York, New Haven, and Hartford Railroad Company. Old Colony System Records, 1882-18901
- New York, Newfoundland, and London Telegraph Company Records, 1854-18671
- Newburgh, Dutchess, and Connecticut Railroad Records, 1887-18901
- Nine Partners General Store Records, 1767-17761
- Oseola (Ship) Records, 1842-18431
- Peyton B. Locker Business Papers, 1920-19511
- Phoenix Insurance Company of New York Records, 1807-18381