Wittfogel, Karl A. <br/><br/>
History of chinese society   liao, 907-1125 
Karl A. Wittfogel, Feng Chia-Sheng and Karl H. Menges 
 - s.l.  s.n.  n.d. 
 - 619-674p.  31cm 
<br/><br/> Reprinted from the Transactions of American philosophical society, vol.36, pp1-35; Appendix 5 Qara-Khitay 
<br/><br/><label>Dewey Class. No.: </label>951.02  / WIT