Bellamann, Henry. “The Music of Charles Ives.” Pro Musica Quarterly 5, No. 1 (March-April 1927): 16-22.

Tryon, Winthrop P. “Of Ives and Others.” Christian Science Monitor, February 3, 1927, 6.

Patterson, Frank. “The Circus.” Musical Courier. February 10, 1927, 28.

Sanborn, Pitts. “Pro-Musica or Anti?” New York Telegram, January 31, 1927: 7.

Tryon, Winthrop P. “Quarter-Tone Experiments.” Christian Science Monitor, February 7, 1925, 8.

Tryon, Winthrop P. “New Yorker Writing Music for Quarter-Tone Piano.” Christian Science Monitor, January 13, 1925, 10.

“Music Club Hears Lecture Recital on Modern Sonata.” Atlantic Constitution, January 5, 1922, 10.

Bellamann, Henry. “An American Composer.” State (Columbia, SC), May 22, 1932, 23.

Copland, Aaron. Music and Imagination. Cambridge, MA: Harvard University Press, 1972.

Cowell, Sidney. “Ivesiana: ‘More than Somethings Just Unusual.’” High Fidelity and Musical America, October 1974, MA-14.