The Age of Reason/Part I
- Chapter I - The Author's Profession of Faith
- Chapter II - Of Missions and Revelations
- Chapter III - Concerning the Character of Jesus Christ, and His History
- Chapter IV - Of the Bases of Christianity
- Chapter V - Examination in Detail of the Preceding Bases
- Chapter VI - Of the True Theology
- Chapter VII - Examination of the Old Testament
- Chapter VIII - Of the New Testament
- Chapter IX - In What the True Revelation Consists
- Chapter X - Concerning God, and the Lights Cast on His Existence and Attributes by the Bible
- Chapter XI - Of the Theology of the Christians; and the True Theology
- Chapter XII - The Effects of Christianism on Education; Proposed Reforms
- Chapter XIII - Comparison of Christianism with the Religious Ideas Inspired by Nature
- Chapter XIV - System of the Universe
- Chapter XV - Advantages of the Existence of Many Worlds in Each Solar System
- Chapter XVI - Application of the Preceding to the System of the Christians
- Chapter XVII - Of the Means Employed in All Time, and Almost Universally, to Deceive the Peoples
- Recapitulation