The Cambridge Medieval History - Book XIV - The Eastern Roman Empire from Leo III to the Macedonian Dynasty
E.W. Brooks, Charles Diehl Diehl, Frederic Macler, Albert Vogt
The Cambridge Medieval History - Book VIII - The Arab-Byzantine Wars and the Early Middle Ages
E.W. Brooks, T. Peisker, Camile Jullian, F.E. Warren, W.J. Corbett
The Cambridge Medieval History - Book IV - The Fall of the Western Roman Empire
W. R. Lethaby, E.W. Brooks, F.J. Haverfield, F. Beck, Paul Vinogradoff, Ernest Barker, Maurice Dumoulin, Alice Gardner, E.C. Butler, H.F. Stewart
The Syriac Chronicle Known as That of Zachariah of Mitylene
Zacharias of Mytilene
