Hyla avivoca trilling on a nearly vertical dead shrub, April 30, 1933

Hyla avivoca trilling on a nearly vertical dead shrub, April 30, 1933, Container: Series VII: Box 19C, Folder: 67. Francis Harper papers, MS 245. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/529228 Accessed December 27, 2025.