Twitchett, Denis Crispin <br/><br/>
The Cambridge history of China : Vol. 5, Pt. 2,. Sung China, 960-1279 

 - Cambridge :  Cambridge University Press,   2018 
<br/><br/><label>ISBN: </label>9781108461610 
<br/><br/><label>Dewey Class. No.: </label>900 TWI