Keylor, William R., 1944- The twentieth-century world : an international history / William R. Keylor. - 4th ed. - New York : Oxford University Press, 2001. - xix, 612 p. : maps ; 25 cm. ISBN: 0195136802 (cloth) 0195136810 (pbk.) LCCN: 00027718 Subjects--Topical Terms: History, Modern--20th century. LC Class. No.: D421 / .K46 2001 Dewey Class. No.: 909.82