Langsam, Walter Consuelo World since 1919 / by Walter Consuelo, Langsam - New York : Macmillan, 1954. - 797p. : illus. Subjects--Topical Terms: History, ModernWorld politics.World War, 1914-1918World War, 1939-1945. Dewey Class. No.: 909.82 / LAN.W