Opera is My Hobby - Emil Schipper (series VII, n. 523); Marrti Talvela (series VII, n. 524); June Anderson (series VII, n. 525); Strauss' "The Gypsy Baron" (series VII, n. 526); Opera in New Orleans (series VII, n. 527-528), Box: 12, Folder: 20. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163665 Accessed May 17, 2024.