The game of the foxes : the untold story of German espionage in the United States and Great Britain during World War II / Ladislas Farago. - New York : David McKay company, inc., 1972. - xxi, 696 pages ; 24 cm. - 9(~)"1939-1945" (NLA) . Includes bibliographical references and index. Universal Decimal Class. No.: 9(~)"1939-1945" (NLA)