Opera is My Hobby - The San Francisco Opera, programs I-III (series VII, n. 193-195); "Dalibor" (series VII, n. 196); "Cog d'Or" (series VII, n. 199); "The Snow Maiden" (series VII, n. 200), Box: 11, Folder: 19. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163590 Accessed May 17, 2024.