1. Ancient sources
2. Aristides, Apologia (ed. J. A. Robinson; Texts and Studies 1; Cambridge: Cambridge University Press 1891).
3. Anonymous, Epistula ad Diognetum, in Anonyme, À Diognète (ed. H.-I. Marrou; Sources chrétiennes 33 bis; 2 ed.; Paris: Cerf 1965).
4. Clemens Alexandrinus, Stromateis, in Clement of Alexandria, Stromateis (ed. L. Früchtel – O. Stählin – U. Treu; Griechische christliche Schriftsteller; 3 ed.; Berlin: Akademie Verlag 1960–1970) I–II.
5. Justin, Apologia prima, in Justin, Philosopher and Martyr, Apologies (eds. D. Minns – P. Parvis; Oxford Early Christian Texts; Oxford: Oxford University Press 2009) 80–268.