Тома I Комнин Дука — разлика између измена

* Fine, John Van Antwerp The Late Medieval Balkans: A Critical Survey from the Late Twelfth Century to the Ottoman Conquest. Ann Arbor. {{page1|location=Ann Arbor|publisher=University of Michigan Press|year=1994|isbn=978-0-472-08260-5|pages=}}.

* Kazhdan, Alexander, ed. The Oxford Dictionary of Byzantium. {{page1|location=Oxford and New York. {{page1|location=|publisher=Oxford University Press|year=1991|isbn=978-0-19-504652-6|pages=}}.

* Nicol, Donald MacGillivray The Despotate of Epiros 1267–1479: A Contribution to the History of Greece in the Middle Ages. Cambridge. {{page1|location=Cambridge|publisher=Cambridge University Press|year=2010|isbn=978-0-521-13089-9|pages=}}.