Humphreys 2019, p. 35. Humphreys, Mike (2019). "The shifting importance of dynasty in Heraclian ideology". In Tougher, Shaun (ed.). The Emperor in the Byzantine World : Papers from the Forty-Seventh Spring Symposium of Byzantine Studies. London: Routledge. pp. 28–51. doi:10.4324/9780429060984-3. ISBN978-0-429-59046-7. S2CID159258626.
Humphreys 2019, pp. 32–33. Humphreys, Mike (2019). "The shifting importance of dynasty in Heraclian ideology". In Tougher, Shaun (ed.). The Emperor in the Byzantine World : Papers from the Forty-Seventh Spring Symposium of Byzantine Studies. London: Routledge. pp. 28–51. doi:10.4324/9780429060984-3. ISBN978-0-429-59046-7. S2CID159258626.
Humphreys 2019, p. 35. Humphreys, Mike (2019). "The shifting importance of dynasty in Heraclian ideology". In Tougher, Shaun (ed.). The Emperor in the Byzantine World : Papers from the Forty-Seventh Spring Symposium of Byzantine Studies. London: Routledge. pp. 28–51. doi:10.4324/9780429060984-3. ISBN978-0-429-59046-7. S2CID159258626.
Humphreys 2019, pp. 32–33. Humphreys, Mike (2019). "The shifting importance of dynasty in Heraclian ideology". In Tougher, Shaun (ed.). The Emperor in the Byzantine World : Papers from the Forty-Seventh Spring Symposium of Byzantine Studies. London: Routledge. pp. 28–51. doi:10.4324/9780429060984-3. ISBN978-0-429-59046-7. S2CID159258626.