1. Beem, Charles (2016). The lioness roared: The problems of female rule in English history (New York: Palgrave Macmillan US).
2. Buck, George (1647). The History of Life and Reign of Richard III Composed in Five Books (London: W. Wilson).
3. Searle, Eleanor (1980). „Women and the Legitimization of Succession of the Norman Conquest“, u Marjorie Chibnall (ur.) Anglo-Norman Studies, vol. 3, ed. (Rochester: Boydell Press): 159-170.
4. Facinger, Marion (1968). „A Study of Medieval Queenship: Capetian France 987-1237“, Studies in Medieval and Renaissance History (5): 3-48.
5. Fell, Christine (1984). Women in Anglo-Saxon England (Bloomington: Indiana University Press).