Founded in 1967, the Chestnut Hill Historical Society is dedicated to preserving and nurturing the historical, physical, and cultural resources, and the character of Chestnut Hill. The Chestnut Hill Historical Society maintains a professionally managed collection of more than 20,000 archival items and three-dimensional artifacts documenting the community's architectural and social history from the 1680s to the present. The archival holdings include manuscript collections, architectural drawings, and building records; more than 11,000 photographic images; maps and real estate atlases from before 1849 through the 1955; and prints, drawings, deeds, diaries, genealogical materials, books, and taped and transcribed oral histories.