Crow 1971, p. 24; Perry 1988, p. 45; French 2001, p. 42. Crow, Duncan (1971). British and Commonwealth Armoured Formations (1919–46). AFV/Weapons Series. Windsor: Profile Publications. OCLC471709669. Perry, Frederick William (1988). The Commonwealth Armies: Manpower and Organisation in Two World Wars. War, Armed Forces and Society. Manchester: Manchester University Press. ISBN978-0-71902-595-2. French, David (2001) [2000]. Raising Churchill's Army: The British Army and the War Against Germany 1919–1945. Oxford: Oxford University Press. ISBN978-0-199-24630-4.