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2. Adams, G. D. (1997). Abortion: Evidence of an issue evolution. American Journal of Political Science, 41(3), 718–737.
3. Barnes, R. (2018, June 26). Supreme Court says crisis pregnancy centers do not have to provide women abortion information. The Washington Post. https://www.washingtonpost.com/politics/courts_law/supreme-court-says-crisis-pregnancy-centers-do-not-have-to-tell-women-about-abortion-information/2018/06/26/d2b9f5c2-7943-11e8-80be-6d32e182a3bc_story.html
4. Bennett, D. (2017). Defending faith: The politics of the Christian conservative legal movement. University Press of Kansas.
5. Bruce Hausknecht, personal interview, November 14, 2018.