The wolf packs gather : mayhem in the Western Approaches 1940 - Edwards, Bernard, Captain (Barnsley : Pen & Sword Maritime, 2011)
Includes bibliographical references (p. 183-184) and index.
Keywords: World War, 1939-1945 -- Naval operations -- Submarine; World War, 1939-1945 -- Naval operations, German; World War, 1939-1945 -- Naval operations, British; World War, 1939-1945 -- Campaigns -- Atlantic Ocean; Naval convoys -- Atlantic Ocean