Sofonea, Traian. “Charles Ives: un grande compositore americano che operò con slancio messianico in compo assicurativo.” Generali VI (1978): 35-36.

U.S. Centre Culturel Américain. Autour de Charles Ives, 1874-1954. Exposition du vendredi 24 avril au samedi 16 mai 1970. Paris, France: U.S. Centre culturel américain, 1970.

“In Tribute to Charles Edward Ives on the 100th anniversary of his birth.” Current Musicology No. 18, 1974: 69-119.

Mehring, Frank. “Sphere melodies: die Manifestation transzendentalistischen Gedankenguts in der Musik der Avantgardisten Charles Ives und John Cage.” Series: M & P Schriftenreihe für Wissenschaft und Forschung. Stuttgart, Germany: Metzler, 2003.

Lambert, Jay Philip. “Compositional procedures in experimental works of Charles E. Ives.” Ph.D. diss., University of Rochester, 1987.

Kostelanetz, Richard. American imaginations: Charles Ives, Gertrude Stein, John Cage, Merce Cunningham, Robert Wilson. Series-Internationaler Merve-Diskurs, 111. Berlin, Germany: Merve-Verlag, 1983.

Lambert, Jay Philip. “Aspects of structure in the second string quartet of Charles Edward Ives.” M.A. Thesis, University of Rochester, 1983.

Gooding, David. “A study of the quotation process in the Songs for voice and piano of Charles Edward Ives.” M.A. Thesis, Western Reserve University, 1963.

Ewing, James William. “A study of selected songs of Charles Edward Ives.” D. Mus. thesis, Northwestern University.

Benkelman, Robert Jon. “An investigative analysis and historical background of the second movement of the first orchestral set of Charles Edward Ives (Three Places In New England: II. General Putnam's Camp).” M.A. Thesis, San Jose State College, 1969.