21. Tower Music Collection: Concert Programs (SOM) Contributers: Robert Gray (conductor) and Brass Quartet (performer) Performance: Performance Performance Date: 1958-12-14 Location: Music and Performing Arts Library, University of Illinois Concert Program: vol. 10, p. 109
22. Virgo, Rosa Virginum Collection: Concert Programs (SOM) Contributers: Mellers, Wilfrid (composer), Russell Mathis (conductor), and Women's Glee Club (performer) Performance: Performance Performance Date: 1958-12-14 Location: Music and Performing Arts Library, University of Illinois Concert Program: vol. 10, p. 109