The fonds consists of concert and theatre programs from Millbrook, Ontario; World War I materials including prisoner-of-war post cards, and photographs; and theatre programs, menus and other material relating to entertainments which allied prisoners in German war camps devised for their own amusement and which were collected by Lieutenant W.E. Massey-Cooke.

This addition to the fonds consists of publicity materials, photographs and slides of Arbor Theatre.

This addition to the fonds consists of records created by Frank Morris. The fonds is arranged into the following series: correspondence, manuscripts and typescripts; postcards of the British Isles and Canada; photographs and negatives of botanical species from field trips; glass lantern slides of flowers, fine arts, museums, and scenes of Europe; and maps, mostly of Great Britain and Ontario.

This addition to the fonds consists of newspaper clippings, correspondence, photographs, music books, notes and memorabilia concerning various parts of Peterborough County.

This addition to the fonds consists of diaries, manuscripts, correspondence, photographs and newspaper clippings of Dorthy Choate Herriman. The fonds includes material on the Canadian Authors Association, Carol Cassidy Coates and other poets and writers. Newspaper clippings, original illustrated layout, biographical information, author's proof and a bound copy of Mater Silva are also included in the fonds. There is also an annotated copy of editor John Garvin's Canadian Poets.