Opera is My Hobby - Frederick Jagel (series VII, n. 638); Vienna Opera Stars before World War I (series VII, n. 639); Roberto Alagna (series VII, n. 640); Alagna and Georghiu duets (series VII, n. 641); (oversized removed to Oversized Folder 6)

Opera is My Hobby - Frederick Jagel (series VII, n. 638); Vienna Opera Stars before World War I (series VII, n. 639); Roberto Alagna (series VII, n. 640); Alagna and Georghiu duets (series VII, n. 641); (oversized removed to Oversized Folder 6), Box: 12, Folder: 49. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163694 Accessed December 25, 2025.