Wortlaut des Telegramms bei Halik Kochanski: The Eagle Unbowed: Poland and the Poles in the Second World War. Penguin, 2013, ISBN 1-84614-358-6, S. 344.
Don Hale: The Final Dive: The Life and Death of ‘Buster’ Crabb. Spellmount, 2011, ISBN 0-7524-5325-4, S. 92.