Christianity
- 20321
- Pelagianism
- A Wikipedia article on the history of Pelagianism and a comparison with the teachings of the church fathers.
- 20324
- Pelagius and Pelagianism
- A Catholic Encyclopedia article on the life and writing of Pelagius and Caelestius and the controversy which followed.
- 20325
- Nestorianism
- A Wikipedia article with the history, the Christological implications and the involvement of the Assyrian church.
- 20327
- Nestorianism
- A chapter of a book, "The Christian Faith", on the history of this belief, some of its proponents and critics and the action against it at the Council of Ephesus in 431 AD.
- 20329
- Nestorius and Nestorianism
- A Catholic Encylopedia article with the history of the movement and the theological differences with the Church.
- 20330
- Montanism
- A Wikipedia article on the history of this movement as well as the differences between Montanism and orthodox Christianity.
- 20334
- Montanism
- A chapter in on the history, character and tenets of Montanism in "The History of the Christian Church" by Philip Schaff.
- 20335
- Montanists
- A Catholic Encyclopedia article with a chronology and a description of the movement in Asia Minor and in the West.