Opera is My Hobby - Concerted Numbers (series VII, n. 30); Toscanini and Puccini (series VII, n. 31); Zanelli (series VII, n. 32); Bori (series VII, n. 33); Toscanini and Beethoven (series VII, n. 34), Box: 10, Folder: 35. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163551 Accessed June 01, 2024.