Dr. Preston explains the vital importance of the colonies in the success of Commonwealth war efforts. His study seek the origins of British Commonwealth relationships in the history of the dominion, and especially of Canadian, military and naval developments.

RICHARD A. PRESTON received his B.A. and M.A. from Leeds University, and his PH.D. from yale in 1936. After two years as al ecturer in history at the University of Toronto, Professor Preston taught at the University College of South Wals and Monmouthshire. He spent the war years 1940 to 1945 in the Royal Air Force and returned to the University of Toronto as assistant professor of history. From 1948 to 1965 he was professor of history at the Royal Military College of Canada, and in 1961-2 was president of the Canadian Historical Association. He is at present the William K. Boyd Professor of History and Duke University.