Ring-billed Gulls on and above a rocky islet, June 28, 1920

Ring-billed Gulls on and above a rocky islet, June 28, 1920, Container: Series VII: Box 19A, Folder: 162. Francis Harper papers, MS 245. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/528991 Accessed December 26, 2025.