Collection
- Lyman Trumbull family papers, 1799-1924 (majority within 1859-1890)1
- Marsh family papers, 1855-1888 (majority within 1865-1881)1
- Martha Leach Packard commonplace book, 1837-1894 (majority within 1853-1862)1
- Mary Greenhow Lee collection, 1861-19071
- Mary Wait and Alden Scovel collection, 1820-18881
- McViccar-Antes collection, 1802-19161
- Minna R. Harris family diary, account book, and scrapbook, 1847-18841
- Morning family carte-de-visite album, 1860s-1890s1
- Parsons-Gerrish collection, 1795-1890 (majority within 1841-1869)1
- Pool family papers, 1743-1817 (majority within 1743-1809)1
- Revolutionary Cuba and Philippines collection, 1849-1925 (majority within 1895-1903)1
- Samuel Lyman scrapbook, 1827-1869 (majority within 1828-1839)1
- Samuel Prioleau and Margaretta Fleming Ravenel family collection, 1807-1950 (majority within 1837-1902)1
- Stevens family papers, 1884-1929 (majority within 1903-1906; 1914-1919)1
- Tenney-Fitts papers, 1806-1925 (majority within 1821-1831, 1867-1917)1
- Thomas Downs papers, 1862-19381
- Thompson family papers, 1821-1973 (majority within 1821-1934)1
- Thorington family papers, 1809-1930 (majority within 1873-1908)1
- Tufts-Day papers, 1831-1978 (majority within 1915-1920)1
- Turner-Harlan family papers, 1725-1924 (majority within 1799-1924)1