Opera is My Hobby - Weber (series VI, n. 16); Vienna Opera (series VI, n. 17); Idomeneo (series VI, n. 18); Strauss (series VI, n. 19); Mainstays at the Met (series VI, n. 20); Opera Comique (series VI, n. 21), Box: 10, Folder: 6. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163522 Accessed May 17, 2024.