Brown 1990, p. 807. Brown, Elizabeth A. R. (1990). "Authority, the Family, and the Dead in Late Medieval France". French Historical Studies. 16 (4 Autumn): 803–832. doi:10.2307/286323. JSTOR286323.
Brown 1990, p. 807. Brown, Elizabeth A. R. (1990). "Authority, the Family, and the Dead in Late Medieval France". French Historical Studies. 16 (4 Autumn): 803–832. doi:10.2307/286323. JSTOR286323.
openlibrary.org
Petit-Dutaillis 1936, p. 81. Petit-Dutaillis, C. (1936). The Feudal Monarchy in France and England:From the 10th to the 13th Century. Translated by Hunt, E.D. Routledge. OL27789341M.
Paul 2012, p. 38. Paul, Nicholas L. (2012). To Follow in Their Footsteps: The Crusades and Family Memory in the High Middle Ages. Cornell University Press. ISBN978-0-801-45097-6. OL25307863M.