Includes extra numbered pages 618a-618h.

Preparation of the world for Christianity -- The founding of the church -- The church invades the pagan world -- The march on Rome -- The Roman church -- The labors of St. James, St. John and the other apostles -- The rapid spread of Christianity -- The age of the martyrs -- Early Christian life and worship -- The Roman empire becomes Christian -- The church in conflict with heresy -- Social, religious and moral life of the church -- The church and the barbarian invasion -- The pontificate of St. Gregory the Great, A.D. 590-604 -- Work of the Irish missionaries in Scotland, in England, and on the Continent -- Anglo-Saxon missionaries in German lands -- Mohammedanism and the church -- Alliance between the papacy and the Franks, beginning of the temporal power of the popes -- The age of Charlemagne -- Decline of the Carolingian empire and of the papacy; the Iron Age; lights and shadows -- New nations won for the church -- The Greek schism -- The age of Hildebrand -- Knights and monks in the service of Christendom -- The Hundred Years' War between the popes and the Hohenstaufen -- Medieval heresies and heretics -- The rise of the mendicant orders -- Scholasticism and mysticism -- The arts in the service of religion -- Destruction of the Christian commonwealth of Europe; Philip the Fair triumphs over the papacy -- The Babylonian captivity of the popes -- The Great Schism of the West -- The church and the Renaissance -- Luther and Lutheranism -- Calvinism -- Disruption of the Church in England -- The Catholic reaction and revival -- Some leaders of the Catholic Reformation -- Jansenism -- Royal absolutism and its offspring, Gallicanism and Josephinism -- Rationalism and "Enlightenment" -- The church in the storms of the revolution -- From Pius VII to Pius IX -- Pius IX and the Vatican Council -- Progress of the church in the United States -- From Leo XIII to Benedict XV -- Pontificate of Pius XI -- Pope Pius XII -- Conclusion : looking backward.