• 

  Byzantium and Its Army, 284-1081 - Warren T. Treadgold, Warren Treadgold - Google Books

  https://books.google.de/books?id=xfV0LkMNaLUC&hl=de

  The Byzantine Empire was almost always ready to fight, and often fought for its life. During much of its history its provinces were military districts called themes, and acclamation by the army, not coronation or inheritance, was what made a man emperor.…

• 

  A History of the Byzantine State and Society - Warren T. Treadgold - Google Books

  https://books.google.de/?id=nYbnr5XVbzUC

  This is the first comprehensive and up-to-date history of Byzantium to appear in almost sixty years, and the first ever to cover both the Byzantine state and Byzantine society. It begins in A.D. 285, when the emperor Diocletian separated what became…

---

---