1. 33 Variations on a waltz by A. Diabelli, Op.120 Collection: Concert Programs (SOM) Contributers: Beethoven, Ludwig van (composer) and Byrnell Figler (piano) Performance: Performance Performance Date: 1966-04-07 Location: Music and Performing Arts Library, University of Illinois Concert Program: vol. 14, p. 215
2. Sonata in E flat Major, Op. 81a Collection: Concert Programs (SOM) Contributers: Beethoven, Ludwig van (composer) and Byrnell Figler (piano) Performance: Performance Performance Date: 1966-04-07 Location: Music and Performing Arts Library, University of Illinois Concert Program: vol. 14, p. 215