Methvin, Eugene H., 1934- The rise of radicalism; the social psychology of messianic extremism [by] Eugene H. Methvin. - New Rochelle, N.Y., Arlington House [1973] - 584 p. 24 cm. Includes bibliographical references. ISBN: 0870001582 Source: $9.95 LCCN: 76189374 //r90 Subjects--Topical Terms: Radicalism.Revolutions.Revolutionaries--Psychology. LC Class. No.: HM283 / .M48 Dewey Class. No.: 301.6/333