Opera is My Hobby - Jussi Bjoerling (series VII, n. 651); Two Great Operatic Baritones: Battistini and Raffo (series VII, n. 652); Wagner and Spring (series VII, n. 653); Andrea Bocelli (series VII, n. 654)

Opera is My Hobby - Jussi Bjoerling (series VII, n. 651); Two Great Operatic Baritones: Battistini and Raffo (series VII, n. 652); Wagner and Spring (series VII, n. 653); Andrea Bocelli (series VII, n. 654), Box: 12, Folder: 52. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163697 Accessed December 25, 2025.