Varacalli 2016, p. 215. Varacalli, Thomas F. X. (2016). "Harvey Cox". In Smith, Frank J. (ed.). Religion and Politics in America: An Encyclopedia of Church and State in American Life. Vol. 1. Santa Barbara, California: ABC-CLIO. pp. 215–216. ISBN978-1-4408-4562-8.
Varacalli 2016, p. 216. Varacalli, Thomas F. X. (2016). "Harvey Cox". In Smith, Frank J. (ed.). Religion and Politics in America: An Encyclopedia of Church and State in American Life. Vol. 1. Santa Barbara, California: ABC-CLIO. pp. 215–216. ISBN978-1-4408-4562-8.