Darwin, Marx, and Freud their influence on moral theory edited by Arthur L. Caplan and Bruce Jennings. - New York Plenum Press c1984. - xxvii, 230 p. 22 cm. - The Hastings Center series in ethics . Includes bibliographical references and index. ISBN: 0306415305 LCCN: 84001909 //r912 Subjects--Personal Names: Marx, Karl, 1818-1883. --Ethics.Darwin, Charles Robert, 1809-1882. --Ethics.Freud, Sigmund Schlomo, 1856-1939 --Influence. Subjects--Topical Terms: Ethics, Modern--20th century. LC Class. No.: BJ319 / .D37 1984 Dewey Class. No.: 170/.92/2