Between silk and cyanide : a codemaker's story 1941-1945 /
Marks, Leo.
London : HarperCollins,
2000.
Previous ed.: 1998.
Includes index.
Marks, Leo.
Great Britain. Army. Special Operations Executive
Cryptographers
World War, 1939-1945
World War, 1939-1945
World War, 1939-1945