URL: https://www.reasonablefaith.org/writings/question-answer/must-a-biblical-doctrine-of-the-atonement-comprise-penal-substitution

URL: https://www.str.org/w/why-god-part-2

URL: https://www.reasonablefaith.org/writings/scholarly-writings/historical-jesus/from-easter-to-valentinus-and-the-apostles-creed-once-more-a-critical-exami/

URL: https://www.reasonablefaith.org/writings/scholarly-writings/christian-doctrines/a-formulation-and-defense-of-the-doctrine-of-the-trinity/

URL: https://www.reasonablefaith.org/writings/scholarly-writings/divine-omniscience/purtill-on-fatalism-and-truth/