Irving Spergel

Reducing Youth Gang Violence: The Little Village Gang Project in Chicago (Violence Prevention and Policy Series)  Irving Spergel Hardcover. Altamira Press, 2006-12-30 ISBN 9780759109988     Reducing Youth Gang Violence: The Little Village Gang Project in Chicago (Violence Prevention and Policy Series)  Irving Spergel Paperback. Altamira Press, 2006-12-30 ISBN 9780759109995     Racketville, Slumtown, Haulburg: An Exploratory Study of Delinquent Subcultures (Midway Reprint Ser)  Irving Spergel Paperback. University of Chicago Press, 1973-02-21 ISBN 9780226769349