Present research that supports or contests Leo Pfeffer's claim that "religious freedom and church-state separation 'were parts of the same single evolutionary process that culminated in the First Amendment'" (Holcomb, 2009-2010, p. 59).

Holcomb, J. D. (2009-2010). Relgion in public life: The 'Pfefferian inversion' reconsidered. Journal of Law and Religion, XXV(1), 57-95.