Kalvesmaki, Joel. 2013. The Theology of Arithmetic: Number Symbolism in Platonism and Early Christianity. Hellenic Studies Series 59. Washington, DC: Center for Hellenic Studies. http://nrs.harvard.edu/urn-3:hul.ebook:CHS_KalvesmakiJ.The_Theology_of_Arithmetic.2013.
6. The Orthodox Limits of theTheology of Arithmetic: Irenaeus of Lyons
Number Symbolism in Irenaeus’ Theology and Exegesis
Consistency in Irenaeus’ Thought