Schultz, Donald O,  1939. <br/><br/>
Police traffic enforcement / 
Donald O. Schultz. 
 - Dubuque, Iowa :  W. C. Brown Co.,  1975. 
 - ix, 208 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 203 -204. 
<br/><br/><label>ISBN: </label>0697082040 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Traffic police.<br/>Traffic regulations.<br/>Traffic accident investigation.