Langsam, Walter Consuelo. The world since 1919 / Walter Consuelo Langsam and Otis C. Mitchell - New York : Mackmillan Company, 1971. - xx, 743 p. : First-6th ed. published under title: The world since 1914. ISBN: TBB3292 Subjects--Topical Terms: World politics Dewey Class. No.: 327.1 / Wo,8