Margaret Beaufort, countess of Richmond and Derby,
Ownership Confirmed (?-1509) by Other.
Ownership Confirmed (1509-?) by Archival Mention.
Powell, Susan. "Lady Margaret Beaufort and Her Books," The Library 6, no. 3 (1998): 197-240.: 205
Jones, Michael K., and Malcom G. Underwood. The King's Mother: Lady Margaret Beaufort, Countess of Richmond and Derby (Cambridge: Cambridge University Press, 1993).: 274