Bean (2014)
Bean, Lydia. 2014. The Politics of Evangelical Identity: Local Churches and Partisan Divides in the United States and Canada. Princeton, NJ: Princeton University Press. (Amazon)
Putnam and Campbell (2010)
Putnam, R. D., & Campbell, D. E. 2010. American Grace: How Religion Divides and Unites Us. New York: Simon & Schuster. (Amazon)
Finke & Martin (2014)
Finke, R., & Martin, R. R. 2014. “Ensuring Liberties: Understanding State Restrictions on Religious Freedoms.” Journal for the Scientific Study of Religion 53(4): 687-705. (Article)
Evans (2006)
Evans, J. 2006. “Cooperative Coalitions on the Religious Right and Left: Considering the Resilience of Sectarianism.” Journal for the Scientific Study of Religion 45(2): 195-215. (Article)
Djupe and Gilbert (2009)
Djupe, P. A., & Gilbert, C. P. 2009. The Political Influence of Churches. New York: Cambridge University Press. (Amazon)