 Montreal: Editions Art Global and the Department of National Defence, 1999. . Greenhous, Harris, Johnston, & Rawling, "The Crucible of War 1939-1945 : The Official History of the Royal Canadian Air Force Volume 3", University of Toronto Press, Toronto, 1994, Hatch, F.J. Aerodrome of Democracy: Canada and the British Commonwealth Air Training Plan 1939–1945.
<fluency>  Montreal: Editions Art Global and the Department of National Defence, 1999. . Greenhous, Harris, Johnston, & Rawling, "The Crucible of War 1939-1945 : The Official History of the Royal Canadian Air Force Volume 3", University of Toronto Press, Toronto, 1994, Hatch, F.J. Aerodrome of Democracy: Canada and the British Commonwealth Air Training Plan 1939–1945.
 Montreal: Editions Art Global and the Department of National Defence, 1999. . Greenhous, Harris, Johnston, & Rawling, "The Crucible of War 1939–1945 : The Official History of the Royal Canadian Air Force Volume 3", University of Toronto Press, Toronto, 1994, Hatch, F.J. Aerodrome of Democracy: Canada and the British Commonwealth Air Training Plan 1939–1945.