Lichtheim, George Marxism : an historical and critical study / George Lichtheim - London : Routledge and Kegan Paul, c1964. - xx, 412 p. ; 24 cm. Includes index. ISBN: LCCN: Subjects--Topical Terms: SocialismHistory CommunismHistory LC Class. No.: HX36 / .L48 1964 Dewey Class. No.: 335.409 / L699m