Moore, G. E. 1873-1958. Principia ethica / by George Edward Moore. - 2st paperback ed. - Cambridge : Cambridge University Press, 1959. [Reprinted 1971] - xxvii, 432 p. ; 22 cm. First edition published 1903. Includes Index ISBN: 0521057531 0521091144 Subjects--Topical Terms: Ethics. Dewey Class. No.: 170 / MOP 1971