The Secret Intelligence Station That Helped Defeat the Nazis - John Dermot Turing (Arcturus, 2020)
Keywords: General; Wars & Conflicts; World War II; HISTORY; World War, 1939-1945--Electronic intelligence--Great Britain.,World War, 1939-1945--England--Bletchley (Buckinghamshire),World War, 1939-1945--Secret service--Great Britain