Beethoven's Triple and Other Hits [from RH Cassette Tape 57.9], 16 October, 1988, Box: 3, Folder: 9, item: 3. Lawrence Community Orchestra records, RH MS 1036. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/28038 Accessed May 18, 2024.