Isabeau of Bavaria, queen of France, Ownership Possible (post-c. 1395-1435?) by Coat of Arms.
Kaplan, S.C. "Isabeau de Bavière's Books: A Reassessment," Manuscripta: A Journal for Manuscript Research 67, no. 2 (2024 for 2023): 171-223, https://doi.org/10.1484/J.MSS.5.143577: 182