BARFIELD Thomas J <br/><br/>
Perilous frontier   Nomadic Empires of China 
BARFIELD Thomas J 
 - London  Blackwell        1989 
 - 325p.  cm. 
<br/><br/><label>ISBN: </label> 870.25 
<br/><br/><label>Standard No.: </label>5,270 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>V41:194.N8, M9