Day, Charles R., 1933- Studies in developmental psychology, edited by Charles A. Day [sic and] William D. Ward. - Berkeley, Calif., McCutchan Pub. Corp. [1968] - xii, 382 p. illus. 23 cm. LCCN: 68057002 LC Class. No.: BF 701 .D3 / .D3 Dewey Class. No.: 155