Paleontology; Note on a new occurrence of the Southern Hemisphere Apporaid Gastropod Struthioptera Finlay and Marwick on Seymour Island, Antarctica - W.J. Zinsmeister, Box: 4, Folder: 37. Wallace E. Pratt papers, RH MS 870. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/34047 Accessed November 24, 2024.