Opera is My Hobby - Pinza (series VII, n. 39); Zarzuela (series VII, n. 40); German and Bohemian Opera (series VII, n. 42); Ansseau and Vallin (series VII, n. 43); Toscanini and Wagner (series VII, n. 44)

Opera is My Hobby - Pinza (series VII, n. 39); Zarzuela (series VII, n. 40); German and Bohemian Opera (series VII, n. 42); Ansseau and Vallin (series VII, n. 43); Toscanini and Wagner (series VII, n. 44), Box: 10, Folder: 38. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163554 Accessed December 25, 2025.