Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.Mithraic Mysteries, Christianity and Paganism, Christianised rituals, Jesus Christ in comparative mythology, Greco-Roman mysteries, Rhine, Danube, Eleusinian Mysteries, Phrygian cap, Hadrian''s Wall, Iranian religions, Sacred Books of the East, 2nd century BC, Greater Iran, Middle Persian, Theodosius I.