Opera is My Hobby - Leo Slezak (series VII, n. 38)

Opera is My Hobby - Leo Slezak (series VII, n. 38), Box: 10, Folder: 37. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163553 Accessed December 25, 2025.