Washington, Center for Air Force History, 1992. Book call no. 92 S7321d De Seversky, Alexander P. Victory Through Air Power . New York, Simon and Schuster, 1942. The Battle of Britain, pp 43-73.
Book call no.
Nine Lives . With a Foreword by Air Chief Marshal Lord Dowding. Index, pp 256-262. Book call no. 940.544 D312n Deighton, Len.