Gnostic/Pagan Origins of the Trinity Doctrine – Kegan A. Chandler
Interview with Kegan A. Chandler about the origins of the Trinity doctrine.
The God of Jesus in Light of Christian Dogma – https://www.amazon.com/God-Jesus-Light-Christian-Dogma/dp/0967324939
Pagan Influences on the Development of the Trinity – https://restitutio.org/2016/11/20/interview-9-pagan-influences-on-the-development-of-the-trinity/
Chandler’s website – http://thegodofjesus.com/