This database inventorises all historiographical works of Late Antiquity (300 until 800 AD) in Latin, Greek, Syriac, Armenian, Georgian, Arabic, Coptic and, to a lesser extent, Hebrew, Aramaic and Persian
"The Thesaurus Linguae Graecae (TLG®) is a Special Research Program at the University of California, Irvine... The project has collected and digitized most texts written in Greek from Homer (8 c. B.C.) to the fall of Byzantium in AD 1453 (UCI)." NOTE: You must create an account before you can access TLG.