Bryant, Joseph M. (June 1993). "The sect-church dynamic and Christian expansion in the Roman empire: Persecution, penitential discipline, and schism in sociological perspective". The British Journal of Sociology. 44 (2). Blackwell Publishing on behalf of The London School of Economics and Political Science: 303–339. doi:10.2307/591221. JSTOR591221.
Johnson, Todd M. (6 November 2013). "The case for higher numbers of Christian martyrs"(PDF). gordonconwell.edu. Hamilton, Massachusetts: Gordon-Conwell Theological Seminary. Archived from the original(PDF) on 7 September 2015. Retrieved 19 April 2015.
jstor.org
Bryant, Joseph M. (June 1993). "The sect-church dynamic and Christian expansion in the Roman empire: Persecution, penitential discipline, and schism in sociological perspective". The British Journal of Sociology. 44 (2). Blackwell Publishing on behalf of The London School of Economics and Political Science: 303–339. doi:10.2307/591221. JSTOR591221.
Hassett, Maurice (12 December 2014) [1910-10-01]. "Martyr". The Catholic Encyclopedia. Vol. 9. New York, NY: Robert Appleton Company. Retrieved 28 May 2017 – via Newadvent.org.
Johnson, Todd M. (6 November 2013). "The case for higher numbers of Christian martyrs"(PDF). gordonconwell.edu. Hamilton, Massachusetts: Gordon-Conwell Theological Seminary. Archived from the original(PDF) on 7 September 2015. Retrieved 19 April 2015.