Wren, Melvin C. The course of Russian history / Melvin C. Wren. - New York Macmillan [1958] - xiii, 725 p. illus., maps, ports. Col. map on lining papers. Includes bibliographies. LCCN: 58005213 Subjects--Geographic Terms: Soviet Union.--History. LC Class. No.: DK41 / .W7 Dewey Class. No.: 947