Landis, Judson R., Current perspectives on social problems, edited by Judson R. Landis. - 2d ed. - Belmont, Calif., Wadsworth Pub. Co. [1969] - x, 416 p. 23 cm. LCCN: 69012368 LC Class. No.: HN18 .L25 1969 / .L25 1969 Dewey Class. No.: 309.1/046