- Article "Original Sin" in Catholic Encyclopedia
- The Book of Concord The Defense of the Augsburg Confession, Article II: Of Original Sin; from an early Protestant perspective, part of the Augsburg Confession.
- Original Sin According To St. Paul by John S. Romanides
- Ancestral Versus Original Sin by Father Antony Hughes, St. Mary Antiochian Orthodox Church, Cambridge, Massachusetts
- Original Sin by Michael Bremmer