11. Sechs Holderlin-Fragmente, Op. 61 Collection: Concert Programs (SOM) Contributers: Britten (composer), Barbara Campbell (soprano), and Craig Rutenberg (pianist) Performance: Masters of Music Voice Recital Performance Date: 1976-04-04 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.25 p.257
12. The Children's Hour Collection: Concert Programs (SOM) Contributers: Ives (composer), Barbara Campbell (soprano), and Craig Rutenberg (pianist) Performance: Masters of Music Voice Recital Performance Date: 1976-04-04 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.25 p.257