Invitation to sale of work, with envelope, 2 p, December 9, 1913 (1919?), Folder: Eb.2, item: 2b, item: 2b.9. Yeats family correspondence, MS 25. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/264987 Accessed May 27, 2024.