MacKinnon, DM; A Study in Ethical Theory/ D.M. MacKinnon. - New York: Collier Books, 1962. - 280 p.; 18 cm. LCCN: 58000292 Nat. Bib. No.: GB57-14694 Subjects--Topical Terms: Ethics--UK Dewey Class. No.: 171 / MAS 1962