[Gumbel's?] Sparrow, immature, on a post, August 22, 1947

[Gumbel's?] Sparrow, immature, on a post, August 22, 1947, Container: Series VII: Box 19E, Folder: 127. Francis Harper papers, MS 245. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/529524 Accessed December 26, 2025.