Cornforth, Maurice. The open philosophy and the open society; a reply to Dr. Karl Popper's refutations of Marxism, by Maurice Cornforth. - New York : International Publishers, 1968. - 396 p. : 21 cm. Includes index. ISBN: 071780142X Subjects--Personal Names: Popper, Karl R. 1902-1994. Subjects--Topical Terms: Socialism.Dialectical materialism. Dewey Class. No.: 335.411 / COO