The Dorothy Foster papers are made up of correspondence, writings, biographical material and photographs. Correspondence includes letters to her father, James M. Foster, written during research trips to England in 1914-1915, Scotland in 1921 and Germany in 1922. They are handwritten and provide detailed descriptions during and after WWI and reflect her particular interest in the theater. Writings consist of Foster's book, "The Earliest Precursor of Our Present-Day Monthly Miscellanies"; articles written for newspapers, some pertaining to Sir George Etherege; and notes about the Mount Holyoke Dramatic Club's affairs. The biographical material includes copies of newspaper articles, magazine clippings, and a retirement fundraiser bulletin chronicling Foster's life. Also, copies of articles pertaining to a cousin, Richard Cooley's China Shop and a notice of offering of the Dorothy Foster property by Mount Holyoke College.