History of the Byzantine Empire, - Vasilʹev, A. A. (Aleksandr Aleksandrovich), 1867-1953 (1928)
"The first volume ... appeared in Russian in the year 1917 ... under the title, Lectures in the history of Byzantium ... This English edition is not merely a translation ... but a complete revision of it; in places it is almost an entirely new book."–Pref.