Ισαάκιος Α΄ Κομνηνός: Διαφορά μεταξύ των αναθεωρήσεων

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* [[Μιχαήλ Ατταλειάτης]], ''Ιστορία''

* {{citation | last = Canduci | first = Alexander | title =Triumph & Tragedy: The Rise and Fall of Rome's Immortal Emperors | publisher = Pier 9 | year = 2010 | isbn = 978-1741965988}}

* George Finlay, ''History of the Byzantine and Greek Empires from 1057–1453'', Volume 2, William Blackwood & Sons, 1854