Here’s a list of some of the books Owen Allen uses to support the facts and principles on this website, and in the “Saving Christianity” book, podcast, and retreat:
Alfoldi, Andrew. The Conversion of Constantine and Pagan Rome. London, UK: Oxford University Press, 1948.
Allen, Owen. Preactive Leadership. Denver, CO: Management House Books, 2012.
Allen, Owen. Spiritual Excellence: An Evaluation of Spiritual Effectiveness in Individuals and Denominations in America. Ann Arbor, MI: ProQuest Company, 1991.
Arndt, William F. and F. Wilbur Gingrich. A Greek-English Lexicon of the New Testament and Other Early Christian Literature. Chicago, IL: The University of Chicago Press, 1957.
Atkerson, Steve, ed. House Church: Simple, Strategic, Scriptural. Atlanta, GA: New Testament Reformation Fellowship, 2008.
Barna, George and William Paul McKay. Vital Signs: Emerging Social Trends and the Future of American Christianity. Westchester, IL: Crossway Books, 1984.
Barna, George. User Friendly Churches: What Christians Need to Know About the Churches People Love to Go to. Ventura, CA: Regal Books, div. of Gospel Light, 1991.
Barna, George. Revolution. Wheaton, IL: Tyndale House Publishers, 2005.
Banks, Robert. Paul’s Idea of Community: The Early House Churches in Their Historical Setting. Grand Rapids, MI: William B. Eerdmans Publishing, 1988.
Bass, Diana Butler. Christianity After Religion: The End of the Church and the Birth of a New Spiritual Awakening. New York, NY: Harper One, div. HarperCollins, 2012.
Baus, Karl. History of the Church: Volume 1: From the Apostolic Community to Constantine. New York, NY: A Crossroad Book, The Seabury Press, 1980.
Baynes, Norman H. Constantine the Great and the Christian Church. London, England: The British Academy, Humphrey Milford House, 1932.
Bennett, Dennis J. Nine O’Clock in the Morning. Plainfield, NJ: Logos International, 1970.
Berardio, Angelo Di, ed. Patrology: Volumes 1-5. Westminster, MD: Christian Classics, 1988.
Berry, George Ricker. The Interlinear Literal Translation of The Greek New Testament With the Authorized Version. Grand Rapids, MI: Zondervan Publishing House, 1974.
Bethke, Jefferson. Jesus is Greater Than Religion: Why He Is So Much Better Than Trying Harder, Doing More, and Being Good Enough. Nashville, TN: Thomas Nelson, 2013.
Borowski, Oded. Daily Life in Biblical Times. Atlanta, GA: Society of Biblical Literature, 2003.
Bryant, T. Alton, ed. The New Compact Bible Dictionary. Grand Rapids, MI: Zondervan Publishing House, 1967.
Burckhardt, Jacob. The Age of Constantine the Great. New York, NY: Pantheon Books, 1949.
Cairns, Earle E. Christianity Through the Centuries: A History of the Christian Church. Grand Rapids, MI: Zondervan Publishing House, 1981.
Colson, Charles W. and Ellen Santilli Vaughn. The Body: Being Light in Darkness. Dallas, TX: Word Publishing, 1996.
Carson, D. A. Becoming Conversant with the Emerging Church: Understanding a Movement and its Implications. Grand Rapids, MI: Zondervan, 2005.
Cho, Paul Yonggi and Harold Hostetler. Successful Home Groups. Plainfield, NJ: Logos International, 1981.
Christenson, Larry. The Renewed Mind: A Unique Guide to Becoming the Kind of Person You Really Want to Be. Minneapolis, MN: Bethany Fellowship, Inc., 1974.
Coleman, Christopher B. Constantine the Great and Christianity. New York, NY: The Columbia University Press, 1914.
Comby, Jean. How To Read Church History: Volume 1. New York, NY: The Crossroad Publishing Company, 1985.
Dal Mas, Leonardo B. Rome of the Caesars. Florence, Italy: Bonechi Edizioni, 1987.
Day, Colin A. Roget’s Thesaurus of the Bible. New York, NY: Barnes & Noble Books, 1992.
Davaris, Dimitris G. Patmos: The Sacred Island Where St. John Wrote the Apocalypse. Athens, Greece: Nikopoulou-Dressos, 1990.
Davis, J. D. Illustrated Davis Dictionary of the Bible. Nashville, TN: Royal Publishers, Inc., 1973.
Dickerson, John S. The Great Evangelical Recession: 6 Factors That Will Crash the American Church … and How to Prepare. Grand Rapids, MI: Baker Books, 2013.
Dowley, Tim, ed. Eerdman’s Handbook to the History of Christianity. Berkhamsted, Herts, England: Lion Publishing Company, 1977.
Drane, John. Introducing the New Testament. Oxford, England: Lion Publishing, 1999.
Duin, Julia. Quitting Church: Why the Faithful are Fleeing and What to Do About it. Grand Rapids, MI: Baker Books, 2008.
Earle, Ralph. Word Meanings in the New Testament: One-Volume Edition. Grand Rapids, MI: Baker Book House, 1986.
Edersheim, Alfred. The Life and Times of Jesus The Messiah. Peabody, MA: Hendrickson Publishers, Inc., 2004.
Edwards, Gene. The Early Church. Goleta, CA: Christian Books, 1974.
Ehrman, Bart D. The New Testament: A Historical Introduction to the Early Christian Writings. Oxford, England: Oxford University Press, 2004.
Ehrman, Bart D. The New Testament and Other Early Christian Writings. Oxford, England: Oxford University Press, 2004.
Ehrman, Bart D. After the New Testament: A Reader in Early Christianity. Oxford, England: Oxford University Press, 2004.
Ehrman, Bart D. Christianity in Late Antiquity: 300–450 C.E. Oxford, England: Oxford University Press, 2004.
Erickson, Millard J. Concise Dictionary of Christian Theology. Grand Rapids, MI: Baker Book House, 1986.
Evans, William. Great Doctrines of the Bible. Chicago, IL: Moody Press, 1974.
Everyday Living: Bible Life and Times. Fascinating, Everyday Customs and Traditions From the People of the Bible. New York, NY: MJF Books, with Thomas Nelson, 2006.
Fausett, A. R. Fausett’s Bible Dictionary. Grand Rapids, MI: Zondervan Publishing House, 1963.
Gallup, George, Jr. and D. Michael Lindsay. Surveying the Religious Landscape: Trends in U.S. Beliefs. Harrisburg, PA: Morehouse Publishing, 1999.
Gallup, George, Jr. and Timothy Jones. The Next American Spirituality: Finding God in the Twenty-First Century. Colorado Springs, CO: Victor, an imprint of Cook Communications, 2000.
Gower, Ralph. Manners and Customs of Bible Times. Chicago, IL: Moody Press, 1987.
Grant, Michael. Constantine The Great: The Man and His Times. New York, NY: Barnes & Noble Books, 1993.
Gustafson, James M. Treasure in Earthen Vessels: The Church as a Human Community. New York, NY: Harper & Row, Publishers, 1961.
Hall, Christopher A. Reading Scripture With the Church Fathers. Downer’s Grove, IL: InterVarsity Press, 1998.
Halley, Henry B. Halley’s Bible Handbook. Grand Rapids, MI: Zondervan Publishing House, 1965.
Harrison, Everett F., ed. Baker’s Dictionary of Theology. Grand Rapids, MI: Baker Book House, 1960.
Hill, Julian V., ed. Common Life in the Early Church. Harrisburg, PA: Trinity Press International, 1998.
Hodges, Chris. Fresh Air: Trading Stale Spiritual Obligation for a Life-Altering Energizing, Experience-It-Everyday Relationship With God. Carol Stream, IL: Tyndale House Publishers, 2012.
Homans, George C. The Human Group. New York, NY: Harcourt, Brace, and World, Inc., 1950.
Hostetler, Bob. Quit Going to Church. Abilene, TX: Leafwood Publishers, 2012.
Hower, Stephen D. Sharpening the Sword: A Call to Strong and Courageous Leadership. St. Louis, MO: Concordia Publishing House, 1996.
Hughes, Robert. Rome: A Cultural, Visual, and Personal History. New York, NY: Alfred A. Knopf, 2011.
Huttman, Maude Aline. The Establishment of Christianity and the Proscription of Paganism. New York, NY: Columbia University, 1914.
Jeremiah, David. I Never Thought I’d See the Day: Culture at the Crossroads. New York, NY: Faith Words, Hachette Book Group, 2011.
Johnston, Jeremiah J. Unimaginable: What Our World Would Be Like Without Christianity. Minneapolis, MN: Bethany House, 2017.
Jones, Tony. The New Christians: Dispatches From the Emergent Frontier. San Francisco, CA: Jossey-Bass/Wiley, 2008.
Keller, Timothy. The Reason for God: Belief in an Age of Skepticism. New York, NY: Dutton, div. Penguin, 2009.
Kinnaman, David. You Lost Me: Why Young Christians Are Leaving Church and Rethinking Faith. Grand Rapids, MI: Baker Books, 2011.
Kleist, James A., ed. Ancient Christian Writers. New York, NY: The Paulist Press, 1948.
Kraut, Robert E. and Paul Resnick. Building Successful Online Communities: Evidence-Based Social Design. Cambridge, MA: The MIT Press, 2012.
Kung, Hans. The Church. New York, NY: Shed and Ward, 1967.
Leedom, Tim C. and Maria Murdy. The Book Your Church Doesn’t Want You to Read. New York, NY: Cambridge House Press, 2007.
Lietzmann, Hans. From Constantine to Julian: A History of the Early Church, Vol. 3. New York, NY: Charles Scribner’s Sons, 1950.
Lohfink, Gerhard. Does God Need the Church? Collegeville, MI: The Liturgical Press / Michael Glazier Books, 1999.
MacDonald, Gordon. Who Stole My Church: What to Do When the Church You Love Tries to Enter the 21st Century. Nashville, TN: Thomas Nelson, 2007.
MacDonald, James. Vertical Church: What Every Heart Longs For. What Every Church Can Be. Colorado Springs, CO: David C. Cook, 2012.
Mancinelli, Fabrizio. Catacombs and Basilicas: The Early Christians in Rome. Florence, Italy: Scala, Istituto Fotografico Editoriale, 1981.
Manzione, E. and L. Pazienti. Rome and the Vatican. Rome, Italy: Soc. Editrice Fi. Da. Ro., 1983.
Marshall, Alfred. The Interlinear NASB-NIV Parallel New Testament in Greek and English. Grand Rapids, MI: Zondervan Publishing House, div. HarperCollins, 1993.
Marshall, Catherine. Something More. New York, NY: McGraw-Hill Book Company, 1974.
Martin, William. A Prophet With Honor: The Billy Graham Story. Grand Rapids, MI: Zondervan, 2018.
McManus, Erwin Raphael. The Barbarian Way: Unleash the Untamed Faith Within. Nashville, TN: Thomas Nelson, 2005.
McVey, Steve. 52 Lies Heard in Church Every Sunday. Eugene, OR: Harvest Home Publishers, 2011.
Meinardus, Otto F. A. St. Paul in Greece. Athens, Greece: Lycabettus Press, 1973.
Miller, Keith. The Taste of New Wine. Waco, TX: Word Books, 1965.
Monser, Harold E., ed. The Logos International Study Bible. Plainfield, NJ: Logos International, 1972.
Olson, David T. The American Church in Crisis. Grand Rapids, MI: Zondervan, 2008.
Osteen, Joel. It’s Your Time: Activate Your Faith, Achieve You Dreams, and Increase in God’s Favor. New York, NY: Free Press, 2009.
Paulk, Earl. Spiritual Megatrends: Christianity in the 21st Century. Atlanta, GA: Kingdom Publishers, 1988.
Perschbacher, Wesley J. The New Analytical Greek Lexicon. Peabody, MA: Hendrickson Publishers, 1990.
Putnam, Robert D. Bowling Alone: The Collapse and Revival of American Community. New York, NY: Simon & Schuster, 2000.
Reno, Russell R. In the Ruins of the Church: Sustaining Faith in an Age of Diminished Christianity. Ada, MI: Brazos Press, div Baker Publishing Group, 2002.
Renwick, A. M. The Story of the Church. Downers Grove, IL: InterVarsity Press, 1958.
Rosenberg, Joel C. Implosion: Can America Recover from Its Economic and Spiritual Challenges in Time? Carol Stream, IL: Tyndale House, 2012.
Rutz, James H. 1700 Years is Long Enough: A Guide to Creating an Open Church. Costa Mesa, CA: Open Church Ministries, 1990.
Rutz, James H. The Open Church: How to Bring Back the Exciting Life of the First Century Church. Beaumont, TX: The SeedSowers, 1992.
Schaff, Philip. History of the Christian Church: Volume 1. Grand Rapids, MI: William B. Eerdman’s Publishing Company, 1910.
Scott, Ernest. The Nature of the Early Church. New York, NY: Charles Scribner’s Sons, 1941.
Sefton, Henry. A Lion Handbook: The History of Christianity. Oxford, England: Lion Publishing, 1988.
Shipley, Joseph T. Dictionary of Word Origins. New York, NY: The Philosophical Library, Inc., 1945.
Shook, Ryan and Josh. Ditching Secondhand Religion for a Faith of Your Own. Colorado Springs, CO: Waterbrook Press, 2013.
Simson, Wolfgang. The House Church Book: Rediscover the Dynamic, Organic, Relational, Viral Community Jesus Started. Carol Stream, IL: Tyndale House Publishers, 2009.
Snyder, Graydon F. Ante Pacem: Archaeological Evidence of Church Life Before Constantine. Atlanta, GA: Mercer University Press, 1985.
Snyder, Graydon F. Church Life Before Constantine. Atlanta, GA: Mercer University Press, 1991.
Snyder, Graydon F. Inculturation of the Jesus Tradition: The Impact of Jesus on Jewish and Roman Cultures. Harrisburg, PA: Trinity Press International, 1999.
Spong, John Shelby. Why Christianity Must Change or Die: A Bishop Speaks to Believers in Exile. San Francisco, CA: HarperCollins, 1998.
Spong, John Shelby. A New Christianity for a New World: Why Traditional Faith is Dying and How a New Faith is Being Born. San Francisco, CA: HarperCollins, 2001.
Stearns, Richard. The Hole in Our Gospel: The Answer that Changed my Life and Might Just Change the World. Nashville, TN: Thomas Nelson, 2009.
Strong, James. The Exhaustive Concordance of the Bible. Nashville, TN: Abandon Press, 1890.
Sweet, Leonard. I am a Follower: the Way, the Truth, the Life of Following Jesus. Nashville, TN: Thomas Nelson, 2012.
Swindoll, Charles R. Strengthening Your Grip: Essentials in an Aimless World. Waco, TX: Word Books, 1982.
Swindoll, Charles R. The Church Awakening: An Urgent Call for Renewal. New York, NY: FaithWords, 2010.
Thayer, Joseph H. Thayer’s Greek-English Lexicon of the New Testament. Peabody, MA: Hendrickson Publishers, Inc., 2005
The Amplified Bible. Grand Rapids, MI: Zondervan Bible Publishers, 1965.
The Analytical Greek Lexicon. Grand Rapids, MI: Zondervan Publishing House, 1970.
The Englishman’s Greek Concordance of the New Testament. Grand Rapids, MI: Zondervan Publishing House, 1970.
Unger, Merrill F. Unger’s Bible Dictionary. Chicago, IL: Moody Press, 1966.
Viening, Edward, Ed. The Zondervan Topical Bible. Grand Rapids, MI: Zondervan Publishing House, 1969.
Vine, W. E. An Expository Dictionary of New Testament Words: Volumes 1-5. Old Tappan, NJ: Fleming H. Revell Company, 1940.
Viola, Frank. Reimagining Church: Pursuing the Dream of Organic Christianity. Colorado Spring, CO: David C. Cook, 2008.
Viola, Frank and George Barna. Pagan Christianity?: Exploring the Roots of Our Church Practices. Wheaton, IL: Tyndale House Publishers, 2008.
Visalli, Gayla, ed. After Jesus: The Triumph of Christianity. Pleasantville, NY: The Reader’s Digest Association, 1992.
Walker, Williston, Richard A. Norris, David W. Lotz, and Robert T. Handy. A History of the Christian Church. New York, NY: Charles Scribner’s Sons, 1985.
Warren, Rick. The Purpose Driven Church: Growth Without Compromising Your Message and Mission. Grand Rapids, MI: Zondervan Pubishing House, a div. of HarperCollins Publishers, 1995.
Warren, Rick. The Purpose Driven Life: What On Earth Am I Here For? Grand Rapids, MI: Zondervan Publishing House, a div. of HarperCollins Publishers, 2002.
Williams, Norman. Terror at Tenerife. Medford, OR: Omega Publications, 1977.
Wolfe, Alan. The Transformation of American Religion: How We Actually Live Our Faith. New York, NY: Free Press, a div. of Simon & Schuster, Inc., 2003.
Yancey, Philip. What Good is God? In Search of a Faith that Matters. New York, NY: Faith Words, Hachette Book Group, 2010.
Zacharias, Ravi. Has Christianity Failed You? Grand Rapids, MI: Zondervan, 2010.