NORTHEN HELEN Social work with groups. - New York Columbia University Press 1969. - vii, 270 p. 920808 Bibliography: p. [239]-262. ISBN: 0231029659 7.50 LCCN: 69019462 Subjects--Topical Terms: Social group work LC Class. No.: HV45 / .N6 Dewey Class. No.: 361.4