- The following is a list of all of Rev. John Anthony Hardon's publications. Use these for high school religion, as well as the Compendium:
- Christianity in Conflict: A Catholic View of Protestantism, Newman Press: 1959
- All My Liberty, Newman: 1959, rev. ed. 1981
- Teaching Devotion to the Sacred Heart, Loyola University Press: 1963
- For Jesuits: 1963
- The Hungry Generation: Religious Attitudes and Needs in a State University, Newman: 1967
- The Spirit and Origins of American Protestantism: A Sourcebook in Its Creeds, Pflaum Press: 1968
- The Protestant Churches of America: 2d ed. 1968, rev. ed., Double Day & Co Inc.: 1981
- Religions of the Orient—A Christian View, Loyola University Press: 1970
- American Judaism, Loyola University Press: 1971
- The Catholic Catechism: A Contemporary Catechism of the Teachings of the Catholic Church, Image: 1975
- Holiness in the Church, Saint Paul Editions: 1976
- Religious Life Today, St. Paul Editions: 1977
- Christianity in the 20th Century, Image Books, 2d. ed. 1972, rev. ed. 1978
- Salvation and Sanctification, St. Paul: 1978
- Theology of Prayer, Daughters of Saint Paul: 1979
- Modern Catholic Dictionary, Doubleday : 1980
- The Question and Answer Catholic Catechism, Hippo Books: 1981
- Religions of the World, Image Books: 2d. ed.: 1981
- Pocket Catholic Dictionary, Image Books: 1985
- Family Consecration Prayer Book, Apostolate for Family Consecration: 1986
- The Treasury of Catholic Wisdom, Doubleday: 1987
- Basic Catholic Catechism: Fundamentals of Catholic Doctrine for Catechists, The Catholic Voice of America: 1987
- The Catholic Lifetime Reading Plan, Doubleday: 1989
- Pocket Catholic Catechism, Mass Market: 1989
- Catholic Catechist’s Manual: 1989
- The Catholic Answer Book: 1989
- Catholic Life, Doubleday: 1989
- Heart of the Redeemer: An Apologia for the Contemporary and Perennial Value of the Devotion to the Sacred Heart of Jesus, Manassas Trinity Communications: 1989
- Masters of the Spiritual Life: 1990
- Great Marian Writers: 1990
- The Catholic Family in the Modern World, The Leaflet Missal Company: 1991
- History of Eucharistic Adoration, CMJ Marian Publishers: 1991
- The Catholic Discovery of America: 1992
- Memoirs of Fatima: 1992
- The Real Presence: 1992
- Retreat with the Lord: A Popular Guide to the Spiritual Exercises of Ignatius of Loyola, Servant Publications: 1993
- The Faith: A Popular Guide Based on the Catechism of the Catholic Church, Noram International Partners LLC: 1995
- Catechism on the Gospel of Life, Eternal Life: 1996
- A Prophet for the Priesthood: A Spiritual Biography of Father Gerald M.C. Fitzgerald, Intermirifica Inc.: 1998
- Father Hardon’s Catholic Prayer Book, Eternal Life Inc.: 1999
- Spiritual Life in the Modern World, Eternal Life: 2000
- Catholic Catechism on the Angels, Eternal Life: 2000
- A Biblical Defense of Catholicism, 1st Books Library: 2001
- With Us Today: On the Real Presence of Jesus in the Eucharist, Saint Austin Press: 2002
- The History and Theology of Grace, Sapientia Press
- Good luck finding these. Some are on Amazon.