170 B <a id="rdfa" resource="" property="dc:creator" href="http://viaf.org/viaf/53772024" target="_new">Barrett, Clifford</a> E6thics; an introduction to the philosophy of moral values. New York and London, Harper & brothers, 1933. xi, 484 p. 21 cm "First edition" "Literature" : p. 445-469.