Search Results       Your search for [author]Trotter, Wilfred, 1872-1939 returned 1 record.           Instincts of the herd in peace and war. by Trotter, Wilfred, 1872-1939; New York: Macmillan, 1919. Subject: Social psychology; European war, 1914-1918; Crowds.          Add to Book Cart Relevance: 30.53%