Sigler, William F. <br/><br/>
Wildlife law enforcement / 
William F. Sigler. 
 - 2nd ed. 
 - Dubuque, Iowa :  W. C. Brown Co.,  1972. 
 - xxviii, 360 p. :  ill. 
<br/><br/>Bibliography: p. 324-352. 
<br/><br/><label>ISBN: </label>0697082024 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Game-laws--United States.