Opera is My Hobby - Cilea and Giordano (series VII, n. 1); Lieder (series VII, n. 2); Die Walküre - Brunnhilde (series VII, n. 3); Nabucco (series VII, n. 4); Götterdämmerung (series VII, n. 5), Box: 10, Folder: 28. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163544 Accessed June 13, 2024.