 The bibliography for "The Pagan Christ" contains over 80 published authors who are cited in the book.Harpur has been studying the classics and the Bible since he was a Rhodes Scholar in the early 1950s, and he draws on individuals as diverse as St. Augustine and Sigmund Freud for supporting quotes.However, he bases many of his arguments on the writings of relatively unknown authors Alvin Boyd Kuhn (to whom the book is dedicated), Gerald Massey and Godfrey Higgins.