Ulam, Adam Bruno, 1922- The unfinished revolution : Marxism and communism in the modern world / Adam B. Ulam. - Rev. ed. - Boulder, Colo. : Westview Press, 1979. - xiii, 287 p. ; 24 cm. Includes bibliographical references and index. ISBN: 0891584854 089158496X (pbk.) Subjects--Topical Terms: Socialism--History.Communism--History. LC Class. No.: HX36 / .U42 1979 Dewey Class. No.: 335/.009