Armenia: A year at Erzeroom, and on the frontiers of Russia, Turkey, and Persia
CHAPTER XIII.
Former History of Trebizond.--Ravages of the Goths.--Their Siege and Capture of the City.--Dynasties of Courtenai and the Comneni.--The "Emperor" David.--Conquest of Trebizond by Mehemet II. 166