Mellers, Wilfrid H. “Realism and Transcendentalism: Charles Ives American Hero.” In Music in a New Found Land: Themes and Develop merits in the History of American Music. London, United Kingdom: Barrie and Rockliff, 1964.
Abell, Arthur M. Gesprache mit beruhmten Komponisten, so entstand- en ihre unsterblichen Meisterwerke. Eschwege, West Germany: G.E. Schroeder Verlag, 1964.
Harman, Alec, Anthony Milner and Wilfrid Mellers. Man and His Music: The Story of Musical Experience in the West. New York, NY: Ox-ford University Press, 1962.
1960 - Alfred Frankenstein. “Charles Ives: A Musical Transcendentalist.” In The Unforgettable Americans, edited by John A. Garraty, 323-326. Great Neck, NY: Channel Press, 1960.