htm#Walter%20Haberstumpf Arhivirano 2005-12-31 na Wayback Machine.> Runciman, Steven (1951-1954), A history of the Crusades, Cambridge University Press Portal Vojaštvo...
University of Michigan Press. ISBN 0-472-08260-4. Nicol, Donald MacGillivray (2010). The Despotateof Epiros 1267–1479: A Contribution to the History of Greece...
0-19-504652-8. Nicol, Donald M. (1984). The Despotateof Epiros, 1267–1479: A Contribution to the History of Greece in the Middle Ages. Cambridge: Cambridge...
OCLC 1196640. Nicol, Donald M. (2010). The Despotateof Epiros 1267-1479: A Contribution to the History of Greece in the Middle Ages. Cambridge University...