Opera is My Hobby - Constantino (series VII, n. 252); Armond Crabbe (series VII, n. 253); Cossotto (series VII, n. 254); Luciano Pavarotti (series VII, n. 257); (oversized removed to Oversized Folder 5, Boston Opera Company, series VII, n. 258)

Opera is My Hobby - Constantino (series VII, n. 252); Armond Crabbe (series VII, n. 253); Cossotto (series VII, n. 254); Luciano Pavarotti (series VII, n. 257); (oversized removed to Oversized Folder 5, Boston Opera Company, series VII, n. 258), Box: 11, Folder: 33. Personal Papers of James E. Seaver, PP 534. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/163604 Accessed December 25, 2025.