Opera is My Hobby - Cebotari (series VII, n. 259); Georg Hann (series VII, n. 261); Leyla Gencer (series VII, n. 262); Verdi- I Masnadieri (series VII, n. 263)

Opera is My Hobby - Cebotari (series VII, n. 259); Georg Hann (series VII, n. 261); Leyla Gencer (series VII, n. 262); Verdi- I Masnadieri (series VII, n. 263), Box: 11, Folder: 34. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163605 Accessed December 25, 2025.