Cecily Neville, Duchess of York, Ownership Confirmed (?-1495) by Will.
Anne de la Pole, Ownership Confirmed (1495) by Will.
Laynesmith, J.L. "'To Please...Dame Cecely that in Latyn hath litell intellect': Books and the Duchess of York," In The Fifteenth Century XV: Writing, Records, and Rhetoric, edited by Linda Clark, 37-56. Woodbridge, Suffolk; Rochester, NY: Boydell and Brewer, 2017.
Spedding, Alison J. "'At the King's Pleasure': The Testament of Cecily Neville." Midland History, 35:2, 256-272.