00726nam a2200181 a 4500 20190520020621.0 080109s19uu xx 00 eng d Lewin, Ronald The American magic : codes, ciphers and the defeat of Japan / Ronald Lewin. New York : Farrar Straus Giroux, c1982. xv, 332 p. : ill. maps Includes appendices, bibliography and index. World war, 1939-1945 Cryptography World War, 1939-1945 Secret service United States World War, 1939-1945 Japan Japan History 1912-1945 OLOPSC 32663 32663 0 0 0 0 CLLRC CLLRC CIR 2019-05-20 0 D 810 C88 L48 CL2449 2025-06-10 00:00:00 2019-05-20 BK