Kingsley, Howard L. The nature and conditions of learning Rev. by Ralph Garry. - 2d ed. - Englewood Cliffs, N.J. Prentice-Hall 1957. - 565 p. illus. - Prentice-Hall psychology series . 920819 LCCN: 57005937 /L Subjects--Topical Terms: Learning, Psychology of LC Class. No.: LB1051 / .K58 1957 Dewey Class. No.: 370.1544