* {{Cite book |ref=harv|last=Fine|first=John Van Antwerp|authorlink=Џон ван Антверп Фајн|title=The Late Medieval Balkans: A Critical Survey from the Late Twelfth Century to the Ottoman Conquest|url=http://books.google.com/books?id=LvVbRrH1QBgC|year=1994|publisher=University of Michigan Press|isbn=978-0-472-08260-5}}
* {{Cite book|ref=harv|last=Nicol|first=Donald M.|authorlink=Доналд Никол|year=1993|title=The Last Centuries of Byzantium, 1261-1453|edition=2.|publisher=Cambridge University Press|url=https://books.google.com/books?id=y2d6OHLqwEsC}}
* {{Cite book|ref= harv| ref = harv | title = The Serbs and Byzantium during the reign of Tsar Stephen Dušan (1331–1355) and his successors | first = George Christos |last=Soulis| publisher = [[Dumbarton Oaks]] |year=1984|isbn=978-0-88402-137-7}}
* {{cite book|ref=harv| last=institut|first=Vizantološki|title=Vizantijski izvori za istoriju naroda Jugoslavije|volume=6|url=http://books.google.com/books?id=WBpXAAAAYAAJ|year=1986|publisher=Vizantološki institut (Srpska akademija nauka i umetnosti)|pages=522,553}}