Booth, Earl Walter. “New England Quartet: E.A. Robinson, Robert Frost, Charles Ives and Carl Ruggles.” Ph.D. diss., University of Utah, 1974.

Boatwright, Howard. “Ives’ Quarter-Tone Impressions.” Perspectives of New Music (Spring-Summer 1965): 22-31.

Berger, Arthur V. “The Young Composers’ Group.” Trend 2 (April-June, 1933): 26-28.

Bellamann, Henry. “Reviews: ‘Concord, Mass., 1840-1860’ (A Piano Sonata by Charles E. Ives.).” Double Dealer 2 (October 1921): 166-169.

Salzman, Eric. “Charles Ives, American.” Commentary, August 1968, 37-43.

Tenney, James. “Some Notes on the Music of Charles Ives.” Liner notes for Songs by Charles Ives. Folkways Records, FM 3344,1966, LP.

Salzman, Eric. “Retrospective of Avant-garde Music.” New York Herald Tribune. December 21, 1963, 6.

“Evidence Points to Ives as First 12-tone User.” The New York Times. December 1, 1962, 17.

Leeuw, Reinbert de. “Charles Ives Society Founded in Holland.” Sonorum Speculum no. 35 (Summer 1968): 13-16.

“BMI Orchestral Program Survey, 1969-70 Season.” New York, New York: Broadast Music, Inc., 1970, p. 7-8.