Ownership Possible (c.1475-?) by Other.
Powell, Susan. "Syon Abbey, Lady Margaret Beaufort and the Fifteen Oes," In Booldly Bot Meekly: Essays on the Theory and Practice of Translation in the Middle Ages in Honour of Roger Ellis, ed. Catherine Batt and René Tixier (Turnhout: Brepols, 2018), 209-30.
Sutton, Ann F. and Livia Visser-Fuchs. "The Cult of the Angels in Fifteenth-Century England: An Hours of the Guardian Angel presented to Queen Elizabeth Woodville." Women and the book: assessing the visual evidence. Lesley M. Smith and Jane HM Taylor, eds. Vol. 3. University of Toronto Press, 1997, 230-251.
Sutton, Anne F., and Livia Visser-Fuchs, "A 'Most Benevolent Queen': Queen Elizabeth Woodville's Reputation, her Piety and her Books," The Ricardian: Journal of the Richard III Society 10 (1995): 214-45.: 230-231