1. Sonata in B minor, Opus 58 Collection: Concert Programs (SOM) Contributers: Chopin, Frederic (composer) and Ian Hobson (pianist) Performance: Faculty Piano Recital Performance Date: 1977-02-03 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.26 p.56
2. Sonata in B-flat Major, Opus 106, "Hammerklavier" Collection: Concert Programs (SOM) Contributers: Beethoven, Ludwig van (composer) and Ian Hobson (pianist) Performance: Faculty Piano Recital Performance Date: 1977-02-03 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.26 p.56
3. Sonata in C minor (1803) (Modern Premiere) Collection: Concert Programs (SOM) Contributers: Pinto, George Frederick (composer) and Ian Hobson (pianist) Performance: Faculty Piano Recital Performance Date: 1977-02-03 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.26 p.56