Spergel, Irving. <br/><br/>
Street gang work :    theory and practice /  
Irving Spergel. 
 - Reading, Mass. :    Addison-Wesley,    c1966. 
 - xviii, 249 p. ;    23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Social work with juvenile delinquents.<br/> Gangs.
<br/><br/><label>Dewey Class. No.: </label>362.7 SPE