Boswell, John. Same-Sex Unions in Premodern Europe. New York: Random House, 1994.
* Cere, Dan. The Future of Family Law: Law and the Marriage Crisis in North America. New York: Institute for American Values, 2005.
* Coontz, Stephanie. Marriage, A History: How Love Conquered Marriage. New York: Penguin Books, 2005.
* Gagnon, Robert A. J. The Bible and Homosexual Practice: Texts and Hermeneutics. Nashville: Abingdon Press, 2002.
* Johnson, William Stacy. A Time to Embrace: Same-Gender Relationships in Religion, Law, and Politics. Grand Rapids: Wm. B. Eerdmans, 2006.
Laycock, Douglas, Picarello, Anthony R., and Wilson, Robin Fretwell, ed. Same-Sex Marriage and Religious Liberty. New York:Â Rowman and Littlefield Publishers, Inc., 2008.
Rogers, Jack. Jesus, the Bible, and Homosexuality. Louisville, KY: Westminster John Knox Press, 2006.
* Stanton, Glenn T., and Maier, Bill. Marriage on Trial: The Case Against Same-Sex Marriage and Parenting. Downers Grove, IL: InterVarsity Press, 2004.
* Waite, Linda, and Gallagher, Maggie. The Case for Marriage: Why Married People are Happier, Healthier, and Better Off Financially. New York: Broadway Books, 2000.
Webb-Mitchell, Brett. On Being a Gay Parent. New York: Seabury Books, 2007.
* Witte, John, Jr. From Sacrament to Contract: Marriage, Religion, and Law in the Western Tradition. Louisville: Westminster John Knox Press, 1997.
* is cited in the special committee’s final report