The Roman Church at the end of the second century / George La Piana -- The norm of faith in the Patristic Age / Joseph F. Mitros -- Papias and oral tradition / A.F. Walls -- Origen's doctrine of tradition / R.P.C. Hanson -- Basil's doctrine of tradition in relation to the Holy Spirit / R.P.C. Hanson -- The rule of truth in Irenaeus / Valdemar Ammundsen -- Some riddles in the Apostles' Creed / P. Smulders -- The origin and nature of diversification in the history of early Christianity / Helmut Koester -- Ignatius, Polycarp, and I Clement : Walter Bauer reconsidered / Frederick W. Norris -- Marcion in contemporary views : results and open questions / Gerhard May -- Irénée et l'hérésie : les conceptions hérésiologiques de l'évêque de Lyon / A. Benoit -- Popular Christianity and the theologians in the early centuries / H.J. Carpenter -- Were ancient heresies national or social movements in disguise? / A.H.M. Jones -- The heresy of the Phrygians / H.J. Lawlor.