Lifton, Walter M Working with groups group process and individual growth [by] Walter M. Lifton. - 2d ed. - New York Wiley [1966] - xii, 288 p. illus. 24 cm. 920522 Includes bibliographies. LCCN: 66014138 Subjects--Topical Terms: Social groups LC Class. No.: LB1084 / .L5 1966 Dewey Class. No.: 301.152