- Lee, A.D. (2013) From Rome to Byzantium AD 363 to 565: The Transformation of Ancient Rome. Edinburgh: Edinburgh University Press, pp. 118-119. ISBN 9780748627912
- NPNF2-02. Socrates and Sozomenus Ecclesiastical Histories Chapter XLIII.—Calamities of the Barbarians who had been the Usurper John’s Allies. Christian Classics Ethereal Library
- The Ecclesiastical History of Theodoret, Book V. Chapter XXXVI.—Of the removal of the remains of John and of the faith of Theodosius and his sisters.