Michael Green, Evangelism in the Early Church, Wm. B. Eerdmans Publishing, 2004, p. 244
David L. Balch, Carolyn Osiek, Early Christian Families in Context: An Interdisciplinary Dialogue, Wm. B. Eerdmans Publishing, 2003, p. 103
B. Hudson MacLean, An introduction to Greek epigraphy of the Hellenistic and Roman periods from Alexander the Great down to the reign of Constantine, University of Michigan Press, 2002, p. 208
parcocolosseo.it
"Museo Palatino". Parco archeologico del Colosseo. Retrieved 1 June 2020..
