Topping 1975, pp. 115–16. Topping, Peter (1975). "The Morea, 1311–1364". In Hazard, Harry W. (ed.). A History of the Crusades, Vol. III: The Fourteenth and Fifteenth Centuries. University of Wisconsin Press. pp. 104–140. ISBN0-299-06670-3.
Topping 1975, p. 124. Topping, Peter (1975). "The Morea, 1311–1364". In Hazard, Harry W. (ed.). A History of the Crusades, Vol. III: The Fourteenth and Fifteenth Centuries. University of Wisconsin Press. pp. 104–140. ISBN0-299-06670-3.