Merchant shipping and the demands of war / C. B. A. Behrens. Behrens, C. B. A. Merchant marine Great Britain. World War, 1939-1945 Transportation. 387.5 BEM Includes bibliographical references and index. London : H. M. Stationery off., 1955. 1955. 1955 Text xix, 494 p.: eng Great Britain.