ENGELHARDT H. TRISTRAM, Jr. 550,671 Science ethics and medicine / ed. by H. Tristram Engelhardt Jr. and Daniel Callahan. - [New York] : The Hastings Center Institute of Society, Ethics and the Life Sciences, [1976]. - XXVI, 278 s. , 23 cm (The Foundations of Ethics and Its Refulatioship to Science ; vol. 1) ISBN 0-916558-01-0