Opera is My Hobby - Pagliacci (series VII, n. 65); Italy's Bel Canto Tenors (series VII, n. 66); Edward Johnson (series VII, n. 67); Boninsegna (series VII, n. 68); Sembrich (series VII, n. 69), Box: 10, Folder: 43. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163559 Accessed June 01, 2024.