Hearings before the Joint Committee on the investigation of the Pearl Harbor attack : 79th Congress of the United States, first and second sessions pursuant … Hearings before the Joint Committee on the investigation of the Pearl Harbor attack : 79th Congress of the United States, first and second sessions pursuant … battle of the Atlantic : the official account of the fight against the U-boats 1939-1945 / prep. for the Admiralty and the Air Ministery by …