Spergel, Irving <br/><br/>
Street gang work : theory  and practice 

 - London  Addison- Welsely Pub. Co.  1966 
 - xviii, 249p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Y111:42:12:73
<br/><br/><label>Dewey Class. No.: </label>Y111:42:12:73  / J6