Preface; The Introduction; The Second Death; The Sealed Book; The Seven Seals; The Seven Trumpets; The Glassy Sea; The Two Witnesses; The Dragon and the Two Beasts, or Evil in Three Worlds; The Two Cities; The Apocalyptic Element in the Gospels; The Mystical Significance of Apocalyptic Numbers; The Paraousia; Historic Christianity and the Mystical Sense; History of Mysticism.