Opera is My Hobby - Chicago Opera (series V, n. 24); Pathé (series V, n. 25); The Flying Dutchman (series V, n. 27); Ballo (series V, n. 31), Box: 9, Folder: 68. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163508 Accessed June 01, 2024.