Balfour Newton. Cambridge, 1986 visit

Balfour Newton. Cambridge, 1986 visit, Box: 12, Folder: 61. 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/205743 Accessed December 25, 2025.