Title: Allied and axis signals intelligence in World War II
Subjects: World War, 1939-1945, Cryptography, Military intelligence, World war, 1939-1945, cryptography, World war, 1939-1945, military intelligence, Guerre mondiale, 1939-1945, Cryptographie, HISTORY, Western, Geheimdienst, Kryptologie, Militär, Weltkrieg, Aufsatzsammlung