Dilly

By Mavis Batey

Subjects: Biography, Cryptographers, World War, 1914-1918, World war, 1939-1945, cryptography, World War, 1939-1945, Great britain, biography, Knox, A. D. (Alfred Dillwyn), 1884-1943, Cryptographers -- Great Britain -- Biography, Cryptography, World War, 1939-1945 -- Cryptography, World War, 1914-1918 -- Cryptography, Spain -- History -- Civil War, 1936-1939 -- Cryptography, Electronic data processing personnel, Spain, History, Great Britain

Description: xxiii, 244 pages, 16 unnumbered pages of plates : 20 cm