Opera is My Hobby - Danise (series VII, n. 287); Le Cid (series VII, n. 288); Ober (series VII, n. 289); Mogda Olivero (series VII, n. 290); Opera in Argentina (series VII, n. 291), Box: 11, Folder: 39. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163610 Accessed June 13, 2024.