"Francis Harper at the desk I occupied in the correspondence departmet of the American Book Company (East Washington Square, New York, New York)", July 8, 1911

"Francis Harper at the desk I occupied in the correspondence departmet of the American Book Company (East Washington Square, New York, New York)", July 8, 1911, Container: Series VII: Box 6D, item: 7. Francis Harper papers, MS 245. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/521887 Accessed November 14, 2025.