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

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.