Theories of social work with groups / Robert W. Roberts and Helen Northen, editors. - New York : Columbia University Press, 1976. - xviii, 401 p. ; 24 cm. Includes bibliographies and index. ISBN: 0231038852 LCCN: 76004967 Subjects--Topical Terms: Social group work. LC Class. No.: HV45 / .T48 Dewey Class. No.: 361.4