Nye, Robert A. The origins of crowd psychology / Gustave Le Bon and the crisis of mass democracy in the Third Republic / Robert A. Nye. - London : Sage Publications, 1975. - 225 p. : port. ; 22 cm. Includes index and bibliography : p. 197-219. ISBN: 0803999038 Subjects--Personal Names: Le Bon, Gustave, 1841--1931 Subjects--Topical Terms: Collective behavior.Social psychology.