Isabella Stuart, duchess of Brittany, Ownership Confirmed (14??-1455?) by Inventory. Ownership Confirmed (14??-1455?) by Coat of Arms.
Margaret of Brittany, duchess of Brittany, Ownership Confirmed (1455?-1469) by Inventory.
De la Borderie, Arthur. "Notes sur les livres et les bibliothèques au Moyen Age en Bretagne," Bibliothèque de l'Ecole de Chartres 3 (1862): 39-53.