Barclay, William. The Daily Study Bible Series: Revised edition. The Westminster Press, Philadelphia, 1975.

Catechism of the Catholic Church. English Translation, 1994. See especially Nos. 1987-2029.

Keating, Karl. What Catholics Really Believe—Setting the Record Straight: 52 Answers to Common Misconceptions about the Catholic Faith. Servant Publications, Ann Arbor, 1992.

Pillar of Fire, Pillar of Truth. Catholic Answers, San Diego, 1993.

Schreck, Alan. Catholic and Christian: An Explanation of Commonly Misunderstood Catholic Beliefs. Servant Books, Ann Arbor, 1984.

Sheed, F. J. Theology for Beginners. Third Edition, Servant Books, Ann Arbor, 1981.

Stravinskas, Peter M. J. The Catholic Response. Our Sunday Visitor, Inc., Huntington, Ind., 1985.

Vatican Council II: The Conciliar and Post Conciliar Documents. New Revised Edition. Austin Flannery, O.P., ed. Liturgical Press, Collegeville, MN 56321, 1975 and 1984.

Vatican Council II: More Post Conciliar Documents. Austin Flannery, O.P., ed. Liturgical Press, Collegeville, MN 56321, 1982.