About Mary Vipond MARY VIPOND has long been interested in the evolution and influence of Canada's mass media. An authority on the origins of Canadian broadcasting, she is professor emeritus of history at Concordia University in Montreal. Books by Mary Vipond The Mass Media in Canada Fourth Edition by (author) Mary Vipond Listening In The First Decade of Canadian Broadcasting, 1922-1932 by (author) Mary Vipond
