Mrs Jameson, Legends of the monastic orders: as represented in the fine arts, p. 95
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Stephen Morillo, The Haskins Society Journal (Boydell Press, 2003), page 97
Stephen Morillo, The Haskins Society Journal (Boydell Press, 2003)page 112
Gwen Seabourne, Imprisoning Medieval Women: The Non-judicial Confinement and Abduction of Women in England, c. 1170-1509 (Ashgate Publishing, Ltd., 2011) page 184