The Cummings Papers contain a large selection of family letters (1823-1946), family deeds (1795-1906) from Dunstable Massachusetts, Norwich and Thetford Vermont, family photogrphs (ca. 1850-1944), genealogical data, and two volumes of Cummings family and North Thetford history, compiled by Elizabeth Cummings.

The Onion Family Papers contains correspondence, business and financial documents, photographs, railroad correspondence and memorabilia, personal ephemera, and miscellaneous material relating to Carlos and Mary Onion of Rutland, Vermont for the period 1860-1870.

The Parker/Fleming Collection deals primarily with the descendants and relations of Charles Carrol Parker (1814-?), a Congregational minister who preached in various churches in Vermont and Maine, and Elizabeth Fleming Parker (1813-1979), his wife. The letters span the time period of 1835-1909, with the bulk of the collection lying between 1863-1879.