Opera is My Hobby - Gottlob Frick (series VII, n. 398); "L'Arlesiana" (series VII, n. 399); Lily Pons (series VII, n. 400); Edith Mathis (series VII, n. 401)

Opera is My Hobby - Gottlob Frick (series VII, n. 398); "L'Arlesiana" (series VII, n. 399); Lily Pons (series VII, n. 400); Edith Mathis (series VII, n. 401), Box: 11, Folder: 65. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163636 Accessed December 25, 2025.