Bury, J. B. 1861-1927.
A history of the Eastern Roman Empire from the fall of Irene to the accession of Basil I., (A.D. 802-867) /
J.B. Bury 
. - London : Macmillan and Co., Limited,  1912 
. - xv, 530 p.  23 cm. 
<br/>К.: Бібліогр. : c. 493-50, Index