Opera is My Hobby - Stracciari (series VI, n. 12); The Great Oratoria Tradition (series VI, n. 13), Box: 10, Folder: 4. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163520 Accessed May 17, 2024.