1. Bread and Roses Collection: Concert Programs (SOM) Contributers: Wolff, Christian (composer) and Ursula Oppens (pianist) Performance: Guest Artist Piano Recital Performance Date: 1979-04-12 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.28 p.295
2. Kquimar Collection: Concert Programs (SOM) Contributers: Smith, Leo (composer) and Ursula Oppens (pianist) Performance: Guest Artist Piano Recital Performance Date: 1979-04-12 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.28 p.295
3. The People United Will Never Be Defeated Collection: Concert Programs (SOM) Contributers: Rzewski, Frederic (composer) and Ursula Oppens (pianist) Performance: Guest Artist Piano Recital Performance Date: 1979-04-12 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.28 p.295