Kerr, Clark, 1911- Marshall, Marx and modern times / the multi-dimensional society. - Cambridge : Cambridge University Press, 1969. - 6, 138 p. : 21 cm. - University of Cambridge. Alfred Marshall lectures, 1967-68. . Includes bibliographical references. ISBN: 052107665X Subjects--Personal Names: Marshall, Alfred, 1842--1924.Marx, Karl, 1818-1883. Subjects--Topical Terms: Labor economics.Social classes.