Coblentz, Stanton Arthur, 1896-1982. Ten crises in civilization / [by] Stanton A. Coblentz. - London : Muller, 1967. - 303 p. ; 22 1/2 cm. Include index Bibliography: p. 292-296. Subjects--Topical Terms: History--Miscellanea. Dewey Class. No.: 904.7 / OCT 1967