Tolong jelaskan mengenai Sumber dari Agnès de Courtenay

Bernard Hamilton, "Women in the Crusader States: The Queens of Jerusalem", in Medieval Women, edited by Derek Baker. Ecclesiastical History Society, 1978

Bernard Hamilton, The Leper King and his Heirs: Baldwin IV and the Crusader Kingdom of Jerusalem. Cambridge University Press, 2000.

Hans Eberhard Mayer, "The Beginnings of King Amalric of Jerusalem", in B. Z. Kedar (ed.), The Horns of Hattin, Jerusalem, 1992, pp. 121–35.

Marie-Adélaïde Nielen (ed.), Lignages d'Outremer. Paris, 2003.

William of Tyre, A History of Deeds Done Beyond the Sea. E. A. Babcock and A. C. Krey, trans. Columbia University Press, 1943.

Reinhold Röhricht (ed.), Regesta Regni Hierosolymitani MXCVII-MCCXCI, and Additamentum, Berlin, 1893-1904.

Steven Runciman, A History of the Crusades, vol. II: The Kingdom of Jerusalem. Cambridge University Press, 1952.

Agnes dari Courtenay yang berbeda adalah putri Pierre II dari Courtenay, kaisar Latin, dan Yolande dari Flandria. Dia menikah dengan Geoffroi II Villehardouin, pangeran Akhaya, pada tahun 1217.