Bibliography
- Oxford Dictionary of Byzantium, Oxford University Press, 1991.
- Joseph Freiherr von Hammer-Purgstall, Geschichte des Osmanischen Reiches
- Edward Gibbon, The History of the Decline and Fall of the Roman Empire
- George Sphrantzes, The Fall of Byzantine empire
- Nea Domi (Νέα Δομή), vol. 26, article: Helena Palaeologus (Ελένη Παλαιολόγου)
Read more about this topic: Demetrios Palaiologos