1. Belfrey book of christmas carols, the Collection: Music and Performing Arts Library: Choral Reference (MUXCAT_CHO) Contributers: Davis, Katherine K. (composer) Format: Vocal Score Publication Date: unknown Location: Music and Performing Arts Library, University of Illinois at Urbana-Champaign
2. Music for Christmas Polish Christmas carols Collection: Music and Performing Arts Library: Choral Reference (MUXCAT_CHO) Contributers: Geer, E. Harold (arranger) Format: Vocal Score Publication Date: unknown Location: Music and Performing Arts Library, University of Illinois at Urbana-Champaign