Laidler, Harry W. History of socialism : a comparative survey of socialism, communism, trade unionism, cooperation, utopianism, and other systems of reform and reconstruction / Harry W. Laidler. - London : Routledge & Kegan Paul, c 1968. - xx, 970 p. : ill. ; 23 cm. 11 11 Subjects--Topical Terms: Socialism -- History. Dewey Class. No.: 335.09 / L143h