1. Miroirs Collection: Concert Programs (SOM) Contributers: Ravel, Maurice (composer) and Ann Westermann (piano) Performance: Junior Recital Performance Date: 1977-10-20 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.26 p.833
2. Sonata No. 33 in C minor Collection: Concert Programs (SOM) Contributers: Haydn, Franz Josef (composer) and Ann Westermann (piano) Performance: Junior Recital Performance Date: 1977-10-20 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.26 p.833