Cecily Neville, Duchess of York, Ownership Confirmed (?-1495) by Will.
Cecily of York, viscountess of Welles, Ownership Confirmed (1495-?) by Will.
Spedding, Alison J. "'At the King's Pleasure': The Testament of Cecily Neville," Midland History 35, no. 2 (2010): 256-72.: 263, 267
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, ed. Linda Clark (Woodbridge, Suffolk; Rochester, NY: Boydell and Brewer, 2017), 37-56.: 53, 56