Kaskowitz, Sheryl. “‘The Voice of the People Arose’: Charles Ives, Communal Singing and Ritual in American Life.” Paper presented at the Thirty--second Conference of the Society for American Music. Chicago, Illinois, 2006.
DeVenney, David P. “The End of the Century: Impressionism and the Flowering of Roman-ticism.” In Varied Carols: A Survey of American Choral Literature, 105-109. Westport, CT: Greenwood Press, 1999.
“Charles Ives and Turn of the Century.” In Charles Ives and His World Festival, edited by J. Peter Burkholder, 49-52. Annandale-on-Hudson, New York; Bard College, August 9-11, 16-18, 1996.
Stevenson, Robert M. Protestant Church Music in America: A Short Survey of Man and Movements from 1564 to the Present, 118-119, 126, 129. New York, NY: W.W. Norton, 1966.