11. The K'e Collection: Concert Programs (SOM) Contributers: Dougherty, Celius (composer), Lee Willard (soprano), and John Wustman (piano) Performance: Performance Performance Date: 1972-02-24 Location: Music and Performing Arts Library, University of Illinois Concert Program: vol. 20, p. 353
12. Waltzes, Op. 39 Collection: Concert Programs (SOM) Contributers: Brahms, Johannes (composer) and James Lyke and Jean Marshall (pianos) Performance: Performance Performance Date: 1972-02-24 Location: Music and Performing Arts Library, University of Illinois Concert Program: vol. 20, p. 87