Hoffman, Alfred. “A Great Visionary Musician.” In Charles Ives Centennial Festival- Conference, edited by H. Wiley Hitchcock, 60. New York, NY: G. Schirmer and Associated Music Publishers, 1974.
Helms, Hans G. 1974. “Some Reflections on Charles E. Ives.” In Charles Ives Centennial Festival Conference, edited by H. Wiley Hitchcock, 56--59. New York, NY: G. Schirmer, Inc., and Associated Music Publishers, 1974.
Harrison, Lou. [1945] 1987. “Ruggles, Ives, Varese.” In View (1945). A Lou Harrison Reader,16--17. Edited by Peter Garland. Reprint, Santa Fe: Soundings Press, 1987.
Hansen, Chadwick. Review of Essays Before a Sonata and Other Writings, by Charles Ives, edited by Howard Boatwright. American Quarterly 25, no. 4 (Winter 1963): 593--594.
Garland, Peter. “The American Experimental Tradition: A Personal Perspective.” In Search of Silvestre Revueltas: Essays 1978--1990, 5--16. Santa Fe, NM: Soundings Press, 1991.
Fischer, Heinz- Dietrich. “History and Development of the Pulitzer Prize for Music.” In Musical Composition Awards 1943--1999: From Aaron Copland and Samuel Barber to Gian--Carlo Menotti and Melinda Wagner, xvii-xxvi. Edited by Heinz--Dietrich Fischer and Erika J. Fischer. Munich, Germany: K.G. Saur, 2001.