Opera is My Hobby - Hamlet (series VII, n. 112); Rossini "Otello" (series VII, n. 103a); Cavallena (series VII, n. 206), Box: 10, Folder: 54. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163570 Accessed June 13, 2024.