Opera is My Hobby - Masini (series VII, n. 207); Offenbach's "La Belle Helene" (series VII, n. 208); "Therese" (series VII, n. 210); Gloria Lane (series VII, n. 211); "Sigurd" (series VII, n. 212), Box: 11, Folder: 23. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163594 Accessed May 16, 2024.