Spreading Adder on its back, playing possum, April 9, 1936

Spreading Adder on its back, playing possum, April 9, 1936, Container: Series VII: Box 19D, Folder: 38. Francis Harper papers, MS 245. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/529352 Accessed December 27, 2025.