The album largely consists of publicity photographs (many autographed) and programs documenting the activities of the PPCLI Comedy Company and its successor, the Dumbells. Includes a nominal roll (compiled 1968) of all members of the Comedy Company from its formation on 1916 May 16 to its amalgamation with the Dumbells on 1918 Nov 12. Includes materials created 1916-1968. Includes published magazine articles: Jack McLaren, "Mirth and mud", Maclean's Magazine, 1929 Jan.1, Mar. 1, May 15; Alan Murray, "The Dumbells", The Legionary, 1952 May, reprinted 1965 Jan.; Jack McLaren, "A Funny Thing Happened on the Way to the Trenches", Weekend Magazine, 1967 Nov 25. Includes a brief by Norman D. Clarke to the Historical Section, Army Headquarters, 1963, protesting the omission of references to the Comedy Company in the official history of the First World War.