An Eastern Heresy—Its Origin in Antioch—The Arian System—Arius at Alexandria—The Emperor's influence as Peacemaker—The Council of Nicæa—The Nicene Creed
Justinian and Theodora—"The Three Chapters"—The Monothelete Controversy—Severus of Constantinople—Cyrus and Sophronius—The Ecthesis—The Type—The Sixth General Council (Third Constantinople)
No Middle Ages in the Oriental Churches—Mohammed—The Doctrines of Islam—Heraclius and his Victories—The Advance of the Arabs—Treatment of Christians by Mohammedans
Leo the Armenian—Constantine Porphyrogenitus—The Empress Irene—Seventh General Council (Second Nicæa)—Leo's Reforms—John of Damascus—Theodore of Studium
The Origin of the Name—The Key of Truth—Constantine of Mananalis or "Silvanus"—Paul the Armenian—Sergius—The Empress Theodora—Paulicians in Thrace—The Euchites—The Bogomiles
The Cleavage of Christendom—Causes: (1) Difference of Race; (2) Separation of the two Empires; (3) Rivalry of Patriarchs; (4) The Filioque Clause—The Final Rupture
Causes provoking the Crusades—Urban ii. and Peter the Hermit—The First Crusade—Bernard of Clairvaux and the Second and Third Crusades—The Fourth Crusade—A Western Invasion of Greek Territory—The Latin "Empire" of Constantinople
Decay of Byzantine Empire—The Latin "Emperors"—Restoration of Byzantine Empire by Michael—The Patriarch Arsenius—Negotiations with the Papacy—Constantine Palæologus—Mohammed ii.—Fall of Constantinople.
Echoes of old Controversies—Church Government—The Liturgies of St. Basil and St. Chrysostom—Service Books—The Byzantine Historians—Later Byzantine Writers—The Story of Barlaam and Joshaphat—Greek Hymns—The Monks of Mount Athos—Religious and Moral Condition of the Church
The Janissaries—The Patriarch of Constantinople under the Sultan—Contact with Lutherans—Cyril Lucar—His Confession of Faith—Cyril at Constantinople—His Attempt at a Reformation
Patriarch and Bishops—Venetian Conquests—Revival of Greece—The Philiké Hetairia—Massacre of Turks in the Morea—Execution of the Patriarch Gregorios—The Independent Church of Greece
The Churches of the Euphrates Valley—Four separating Influences—The Legend of Abgar—Palut—Tatian—Bardaisan—The Homilies of Aphraates—The Acts of Thomas
The Nestorians under the Caliphate—Mohammedan Persecutions—The Jacobites—Jacob al Bardai—Persecution of Syrian Monophysites—The Tetratheists—Literature of the Syrian Church
The Portuguese in India—Xavier—The Inquisition at Goa—The Synod of Diamper—The Dutch at Cochin—Syrian Christianity in China—Syrian Christianity in Turkey—Roman Catholic and Protestant Missions
The Legendary Period—Gregory the Illuminator—Mesrob—The Council of Tiben—The Council of Carana—Severance from the Greek Church—The Armenian Constitution—Russian Possessions in Armenia—The Massacres
The Copts during the Invasions—The Failure of Heraclius as a Ruler—The Mohammedan Invasion—The National Patriarch Benjamin—The Melchite Patriarch Cyril—The Mukaukas—The Mohammedan Settlement