This partial listing of business and organizational records collections is a work-in-progress. For more information, stop at the library or search our comprehensive online database of historical materials, hosted by PastPerfect Online.
- Bost, Joseph A. Collection of UTC Fuel Cell Papers (1964–2002)
- Foster, Elizur Papers (1832-1834)
- Hartford Audubon Society Records (1909-present)
- King, Henry M. Papers (1841-1849)
- Manchester Evening Herald Clippings and Photograph Collection (1939-1990)
- P.E. Bossen Store Ledgers (1904-1916)
- Schools Collection (1827-2005)
- South Windsor Baseball Club Records (1928)
- South Windsor Cultural Arts Commission Records (1975-present)
- South Windsor Garden Club Records (1931-1973)
- South Windsor Historic District Records (2007-2011)
- South Windsor Historical Society Collection (1950-2008)
- South Windsor Public Library (1903-1990)
- South Windsor Woman’s Club Records (1965)
- Tobacco Industry Collection (1856-2002)
- Wapping Creamery Company Records (1896-1921)
- Wednesday Afternoon Club Records (1901-present)
- Wood Memorial Library Records (1926-present)
- Wood Quilters Photos and Papers (1976-2010)