Walker,Samuel <br/><br/>
Police in America:an introduction 
Samuel Walker and Charles M.Katz 
 - Boston  McGraw-Hill  2005 
 - xxvii, 564p.  24cm. 
<br/><br/> 1cd 
<br/><br/><label>ISBN: </label>9780072873252 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Police--United States<br/>Police administration--United States
<br/><br/><label>Dewey Class. No.: </label>363.20973  / WAL