Byzantine News Update
Informing Byzantium
Istanbul (Formerly Constantinople)
The heart of the Byzantine Empire
Map of the Byzantine Empire
Justinian I
Justinian I (Brief Article from Wikipedia) (not scholarly, but a good overview)
Byzantine Empire: Justinian and Theodora - I: From Swineherd to Emperor - Extra History
Fall of The Roman Empire...in the 15th Century: Crash Course World History #12