Byzantium, its despotism the Church's enemy from the time of St. Gregory, [5];

its patriarch the special rival of the Pope, [6];

tries for forty years to impose the Monothelite heresy on the Pope and the Church, [41];

five acts of its theological despotism, [61];

march of this despotism from Constantine to Constans II., [64];

secular power declines, as spiritual usurpation advances, [65];

development of its double despotism, civil and religious, from Constantine to Heraclius, [110-117];

its fostering the heretical spirit destroys the empire, [117-118];

two hundred years of eastern wickedness lead up to the Mohammedan conquest, [141], and the destruction of the eastern patriarchates, [143-6];

triple despotism over the Popes,