GARVER, Valerie L. Women and aristocratic culture in the Carolingian world. Ithaca: Cornell University Press, 2009. Dostupné online. ISBN9780801447716. S. 42. (anglicky)
CHALMERS, Alexander. The General Biographical Dictionary: Containing an Historical and Critical Account of the Lives and Writings of the Most Eminent Persons in Every Nation: Particulary the British and Irish; from the Earliest Accounts to the Present Time. [s.l.]: J. Nichols Dostupné online. S. 199. (anglicky)