Opera is My Hobby - "Golden Age" of Mezzo-Sopranos (series VII, n. 773); Emmerich Kalman's "Die Czardasfüstin" (series VII, n. 774); Meyerbeer's "Africaine" (series VII, n. 775); Songs on Eduardo Grieg (series VII, n. 776), Box: 13, Folder: 8. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163728 Accessed May 16, 2024.