Opera is My Hobby - Four American Tenors Who Sang Leading Roles at the Metropolitan Opera from 1900 - 1925; The Monte Carlo Opera (n. 1-2); Some Famous Operatic Mothers, Box: 13, 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/163740 Accessed May 16, 2024.