* Williams, Marty and Anne Echols, "Between Pit and Pedestal: Women in the Middle Ages", Markus Wiener, 1994, ISBN 0-910129-34-7.
* Williams, Marty and Anne Echols, "Between Pit and Pedestal: Women in the Middle Ages", Markus Wiener, 1994, ISBN 0-910129-34-7.