The fonds consists of correspondence, legal documents, accounts, bound volumes and miscellaneous papers relating to the theatre from its organization in 1899 to its liquidation in 1919. Of particular interest is the document of incorporation in 1899 signed by Oliver Mowat.
Fonds consists of a bound volume entitled "Bliss Carman Letters and Memories", put together by Grace Fewster, and consisting of typescripts of original letters from Bliss Carman to Dr. Ernest and Grace Fewster between 1920 - 1929. Included is a typescript letter from Lorne Pierce to the Fewsters recounting his visit to New Canaan, New Brunswick, to attend Bliss Carman's funeral.
The fonds consists of correspondence, prose, biographical articles, critical commentaries and newspaper clippings relating to Mrs. Campbell's work as an author.
Fonds consists of research notes, photographs, and other material relating to the history of Pittsburgh Township and the Pittsburgh Historical Society. Also included documents related to local history, collected by Smithson.
The fonds consists of correspondence and minutes relating to the 1979 Ontario Federal Liberal Party campaign, as well as files related to the leadership campaigns of Lloyd Axworthy, Mark MacGuigan and Aideen Nicholson. Also included are files on Liberal Party events and work that Dowsley had done for the Party.