Cornforth, Maurice Campbell. Dialectical materialism: an introduction. - [3d, rev. ed.] - New York, International Publishers [1961-63.] - 3 v. 19 cm. - Theory of knowlwdge volume 3 . eng ISBN: 853153620 NA Subjects--Topical Terms: Dialectical materialism. Dewey Class. No.: 335.411 COR