Baker E.R. Au. <br/><br/>
Police promotion hand books 
Baker E.R. Au.; Wilkie Au. 
 - 2nd 
 - London  Butterworths London         1969 
 - xiv,338p  cm. 
<br/><br/><label>Standard No.: </label>10,477 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>MX411.3, K9