Wilson, Katharina M., and Nadia Margolis, eds. "Scribes and scriptoria." Women in the Middle Ages: an encyclopedia. Westport, Conn.: Greenwood Press, 2004, p. 835. (Internet Archive)
Dodgson, Campbell (1903). Catalogue of early German and Flemish woodcuts preserved in the Department of Prints and Drawings in the British Museum. London: Printed by order of the Trustees. p. 139. hdl:2027/mdp.39015015678140.