J. B. Bury <br/><br/>
The Cambridge Medieval History Vol_4 

, ASI_1068 
, CAL_12056 toCAL_12060 
 - Cambridge  The University Press  1923 
 - 1034 
<br/><br/> ASI Library 
<br/><br/><label>Dewey Class. No.: </label>940.1/C.M.H.