Historians Dr. Gary Habermas and Dr. Mike Licona outline forty-two historical sources attesting to the existence of Jesus within 150 years after His death.[178] They list the sources as follows: Traditional New Testament authors: Matthew, Mark, Luke, John, Paul, author of Hebrews, James, Peter, and Jude Early Christian writers outside the New Testament: Clement of Rome, Ignatius of Antioch, Polycarp, Martyrdom of Polycarp, Didache, Barnabas, Shepherd of Hermas, Fragments of Papias, Justin Martyr, Aristides, Athenagoras, Theophilus of Antioch, Quadratus,
