Opera is My Hobby - Farrar (series VII, n. 35); Destinn (series VII, n. 36); Tosca (series VII, n. 37), Box: 10, Folder: 36. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163552 Accessed June 13, 2024.