- This article incorporates text from a publication now in the public domain: Smith, William, ed. (1870). "article name needed". Dictionary of Greek and Roman Biography and Mythology.
- This article incorporates text from a publication now in the public domain: Venables, E. (1911). "Maximus the Cynic, bp of Constantinople". In Wace, Henry; Piercy, William C.Dictionary of Christian Biography and Literature to the End of the Sixth Century (third ed.). London: John Murray. Venerable cites the following sources:
Gregory I of Nazianzus