Opera is My Hobby - Tancredi Pasero (series VII, n. 447); The Platzman Collection (series VII, n. 449-450); Instrumental Solos in Opera (series VII, n. 451); Demons of Halloween (series VII, n. 452), Box: 12, Folder: 4. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163649 Accessed May 17, 2024.