Street gangs : gaining turf, losing ground. - first edition. - New York : Rosen Pub. Group, (c)1991. - vi, 168 pages : illustrations, maps ; 22 cm. Edited by Roger Rosen. LCCN: 91022204 Subjects--Topical Terms: Gangs--Cross-cultural studies. LC Class. No.: PZ5 / .S774 1991 PZ5