Bibliography : Newberry Library, MS 31.1

Willene B. Clark Medieval Book of Birds: Hugh of Fouilloy's Aviarium
Samuel A. Ives; Hellmut Lehmann-Haupt An English 13th Century Bestiary: A New Discovery in the Technique of Medieval Illumination
Max Friedrich Mann Der Bestiaire Divin des Guillaume le Clerc
Florence McCulloch Medieval Latin and French Bestiaries
Paul Saenger A Catalogue of the Pre-1500 Western Manuscript Books at the Newberry Library
Friedrich Wilhelm, ed. M√ľnchener Texte