Melton H. K. OSS Special Weapons & Equipment, p. 97.
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Ford C. Donovan of the OSS, p. 170; Stevenson W. A Man Called Intrepid. – New York: Harcourt Brace Jovanovich, 1976, p. 114; Macrae S. Winston Churchill's Toyshop. – New York: Walker and Company, 1972, p. 7–11.
