Collection
- Harvey S. Day Papers, 1831-19351
- Hasbrouck family papers, 1784-1940 (majority within 1805-1882)1
- Hemenway family collection, 1819-1927 (majority within 1828-1881)1
- Henry Toggenburger collection, 1885-1937 (majority within 1885)1
- Hilon A. Parker family papers, 1825-1953 (majority within 1853-1911)1
- Hoit family papers, 1803-1918 (majority within 1803-1873)1
- Hussey-Wadsworth family papers, 1830-19451
- James Terry family papers, 1838-1953 (majority within 1879-1894)1
- Joseph K. and George C. Wing collection, 1863-1930 (majority within 1863-1864, 1872-1924)1
- Lamb-Sykes family papers, 1680-1947 (majority within 1819-1911)1
- Maria J. Gibbs Barnard diaries and Adams family collection, 1865-[1950s]1
- Mark and Frank Bigler account book, 1880-1907 (majority within 1882-1904)1
- Mary Dean and Chapin Howard family collection, 1835-1909 (majority within 1869-1909)1
- New York and Canada Line account book, 1869-1921 (majority within 1869-1873, 1889-1910)1
- Ramsey family papers, 1786-1935 (majority within 1827-1935)1
- Riley family papers, 1835-19101
- Sarah and Edward Ogden travel diaries, 1886-19081
- Stephentown (N.Y.) Commissioner of Highways account book, 1864-1901 (majority within 1864-1895)1
- Stinchfield family papers, 1837-19991
- Tailyour family papers, 1743-2003 (majority within 1780-1840)1