Thibaut, John W. The social psychology of groups [by] John W. Thibaut [and] Harold H. Kelley. - New York, Wiley [1959] - 313 p. illus. 24 cm. Includes bibliography. LCCN: 59011813 /L Subjects--Topical Terms: Social groups.Interpersonal relations. LC Class. No.: HM 251 / .T39