1. Comes Autumn Time Collection: Concert Programs (SOM) Contributers: Sowerby, Leo (composer) and Mary L. Hummel (organ) Performance: Junior Recital Performance Date: 1984-10-12 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.33 p.585
2. Fantasia in G, BWV 572 Collection: Concert Programs (SOM) Contributers: Bach, J. S. (composer) and Mary L. Hummel (organ) Performance: Junior Recital Performance Date: 1984-10-12 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.33 p.585
3. Symphony VI Collection: Concert Programs (SOM) Contributers: Widor, Charles-Marie (composer) and Mary L. Hummel (organ) Performance: Junior Recital Performance Date: 1984-10-12 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.33 p.585
4. Two Pieces Collection: Concert Programs (SOM) Contributers: Honegger, Arthur (composer) and Mary L. Hummel (organ) Performance: Junior Recital Performance Date: 1984-10-12 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.33 p.585