1. Sonata in E flat major, Op. 13 Collection: Concert Programs (SOM) Contributers: Hummel, Johann Nepomuk (composer) and Ian Hobson (piano) Performance: Faculty Piano Recital Performance Date: 1985-11-09 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.34 p.869
2. Sonata in F minor, Op. 57 "Appassionata" Collection: Concert Programs (SOM) Contributers: Beethoven, Ludwig van (composer) and Ian Hobson (piano) Performance: Faculty Piano Recital Performance Date: 1985-11-09 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.34 p.869
3. Sonata in G major, Op. 78 Collection: Concert Programs (SOM) Contributers: Schubert, Franz (composer) and Ian Hobson (piano) Performance: Faculty Piano Recital Performance Date: 1985-11-09 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.34 p.869