Berlin, Isaiah. Karl Marx : his life and environment / Isaiah Berlin. - 4th ed. - New York : Oxford University Press, c 1978. - xii, 228 p. : ill. ; 20 cm. Includes index. 327 327 ISBN: 0-19-219122-5 0-19-289087-5 (pbk) Subjects--Topical Terms: Marxian systems. Dewey Class. No.: 335.4 / B35k