Opera is My Hobby - Gluck's "Alceste" (series VII, n. 385); G. Mario Sammarco (series VII, n. 386); Kansas and Missouri's Opera Stars (series VII, n. 388), Box: 11, Folder: 60. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163631 Accessed June 01, 2024.