Porter, Valerie <br/><br/>
Pigs:  a handbook to the breeds of the world / 
Valerie Porter 
 - Mountfield:  Helm Information Ltd.,   c1993. 
 - 256 pages 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>1873403178 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Swine breeds<br/>Swine<br/>Breeding
<br/><br/><label>Dewey Class. No.: </label>636.4