Religion For Breakfast
The Cult of Mithras was a thriving religion in the Roman Empire. But by the 5th century....it was gone. What do we know about the Cult of Mithras? And what was its relationship with Christianity?
Clauss, Manfred. The Roman Cult of Mithras.
Beck, Roger. The Religion of the Mithras Cult in the Roman Empire.
Sources debunking the "Christ/Mithras" myth can be found at The Tertullian Project: Tertullian Project.
Incredible resource of every citation about Mithras in Greco-Roman literature.