Reader, Brian. "An Essay on Edward Lear's Illustrations of the Family of Psittacidae or Parrots." Associate [Lear was an associate of Gould], Box: 22, Folder: 50a. Sauer's Gouldiana Research about John Gould and other papers, MS 304. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/204809 Accessed November 28, 2024.