There have been three accruals. The first accrual consists of microfilmed scripts of dramas produced by the CBC. The original scripts were disposed of after microfilming. The majority of these scripts are of radio plays, although there are some which were produced for televison. Dramatists include Fletcher Markle, W.O. Mitchell, Lester Sinclair, Joseph Schull, Pierre Berton, Len Peterson and George Salverson, among many others. The second accrual consists of printed materials; the texts of speeches broadcast 1940-1941, and pamphlets printed by the CBC describing their programming from 1936-1943. The third accrual consists of 4 audio reels, containing a speech by the Rt. Hon. Arthur Meighen (1874-1960), Prime Minister of Canada, 1920-1921 and 1926, to the Canadian Club in 1936 with an introduction of W.A. Bishop.