University of Delaware, "The Animal Kingdom: Six Centuries of Zoological Illustration", 2007

University of Delaware, "The Animal Kingdom: Six Centuries of Zoological Illustration", 2007, Box: 17, Folder: F407. John Digby papers supplement, MSS 0569s. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/141497 Accessed July 03, 2024.