1. Bard, Rachel. Isabella: Queen Without a Conscience. Bloomington: Trafford Publishing, 2006.
2. Calendar of Documents preserved in France, Illustrative of the History of Great Britain and Ireland, I, 918–1206. Translated and edited by James Horace Round. London: Her Majesty’s Stationery Office, 1899.
3. Chadwick, Elizabeth. The Summer Queen. London: Sphere, 2013a.
4. ———. “The Summer Queen Behind the Scenes,” 3 June 2013b. http://livingthehistoryelizabethchadwick.blogspot.com/2013/06/tomorrow-ill-be-starting-series-of.html. Accessed 10 April 2021.
5. ———. The Winter Crown. London: Sphere, 2014.