Less, Beatrice A. . <br/><br/>
The Central Period Of Middle Age (918-1273) /  Textual Documents 
Beatrice A. Less. 
 - 5th ed. / 
 - London :  Methuen and Co. Ltd. ,  1922. 
 - xix,280p. ;  16 cm.. 
<br/><br/><label>ISBN: </label> HB 
<br/><br/><label>Subjects--Index Terms: </label>G-History History-Middle Age 
<br/><br/><label>Dewey Class. No.: </label>940.17  / L 518 C