Cowell, Sidney. “The Cowells and the Written Word.” In A Celebration of American Music: Words and Music in Honor of H. Wiley Hitchcock, edited by Richard Crawford, R. Allen Lott, and Carol J. Oja 79-91. Ann Arbor: University of Michigan Press, 1990.
Cooney, Denise von Glahn. “Reconciliations: Time, Space and American Place in the Music of Charles Ives.” Ph.D. diss., University of Wash-ington, 1995.