1. Babst, Gordon A. 2002. Liberal Constitutionalism, Marriage, and Sexual Orientation: A Contemporary Case for Dis-establishment. New York: Peter Lang.
2. Ball, Carlos A. 2003. The Morality of Gay Rights: An Exploration in Political Philosophy. New York: Routledge.
3. Ball, Carlos A. 2017. The First Amendment and LGBT Equality: A Contentious History. Cambridge, MA: Harvard University Press.
4. Babst, Gordon A. 2015. “Phony Equivalence: Religious Liberty and Non-discrimination.” Unpublished Paper Presented at the 8th Biennial Symposium on Religion and Public Life, Paul Henry Institute for the Study of Christianity and Politics, Calvin College, Grand Rapids, MI, May 1.
5. Babst, Gordon A., and John W. Compton. 2016. “Equal Citizenship and Religious Liberty: An Irresolvable Tension?” In Citizenship and Immigration—Borders, Migration and Political Membership in a Global Age, edited by Ann E. Cudd and Win-chiat Lee, 91–104. Cham, Switzerland: Springer.