Collection
- Benjamin Stevens letter book, 1781-18081
- Billings family collection, 1852-1918 (majority within 1879-1895)1
- Boys' Excelsior Lyceum, Excelsior, 1861-18621
- Brasee-Scofield family papers, 1819-1950 (majority within 1819-1874)1
- Brewster E. Littlefield collection, 1917-1941 (majority within 1917-1918)1
- Bristol (Me.) cobbler daybook, 1836-18441
- Brownell family papers, 1823-1969 (majority within 1850-1940)1
- Carrie M. Stewart and Arthur K. Kepner collection, 1870-1908 (majority within 1898-1906)1
- Caspar F. Goodrich papers, 1869-19251
- Charles H. Lund collection, 1870-18871
- Charles J. and Jean C. Molnar correspondence, 1939-1945 (majority within 1943-1945)1
- Charles and Silas Crowell papers, 1861-1883 (majority within 1864-1865)1
- Charlotte Pettibone Winslow papers, 1834-1910 (majority within 1834-1851)1
- Charlotte and Martha Wray papers, 1839-18721
- Christian Hoffman, Aus Erlesene Gedichder Nebstselbst Geistliche Gedichder commonplace book of poetry, 18571
- Christopher Ripley collection, 1801-18511
- Clara McCarron autograph album, 1887-18931
- Clarence V. Wherley letters, 1918-19191
- Clarke family papers, 1823-1929 (majority within 1851-1912)1
- Cole family papers, 1799-1959 (majority within 1821-1931)1