Niebuhr (1929)
Niebuhr, H. Richard. 1929. The Social Sources of Denominationalism. New York: World Publishing. (Amazon)
Chaves (1999a)
Chaves, Mark. 1999. Ordaining Women: Culture and Conflict in Religious Organizations. Cambridge: Harvard University Press. (Amazon)
Ammerman (2005)
Ammerman, Nancy Tatom. 2005. Pillars of Faith: American Congregations and Their Partners. Berkeley, Cal.: University of California Press. (Amazon)