Opera is My Hobby - Filippo Marchetti's "Ruy Blas" (series VII, n. 715); Busoni's "Dr. Faust" (series VII, n. 717); Richard Tucker (series VII, n. 718); Johann Strauss Jr.'s "Eine Nacht in Venedig" (series VII, n. 719)

Opera is My Hobby - Filippo Marchetti's "Ruy Blas" (series VII, n. 715); Busoni's "Dr. Faust" (series VII, n. 717); Richard Tucker (series VII, n. 718); Johann Strauss Jr.'s "Eine Nacht in Venedig" (series VII, n. 719), Box: 12, Folder: 69. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163714 Accessed December 25, 2025.