So, Carolyn U. “Aspects of form and aesthetics in Charles Ives's Piano Sonata No. 2.” M.A. Thesis, University of Hawaii at Manoa, 1986.

Bryant, Sister Emily Marie. “The avant-garde character of Charles Ives's music exemplified in representative vocal, chamber, and symphonic works.” M.A. thesis, Mount St. Mary's College, 1966.

Beck, Jay L. “The compositional process of Charles Ives's first piano sonata, first movement.” M.M. thesis, Brigham Young University, 1983.

Rodriguez, Paul Anthony. “Charles E. Ives: transcendental influence in selected short piano compositions.” M.A. thesis, California State University, Fullerton, 1985.

Allen, Barbara Oakley. “An analysis of six Ives songs: with suggestions for performance.” D.M.A. term project, Stanford University, 1979.

Vulpi, Frank. “Charles Ives’ Concord Sonata: transcendental unity and mechanic form.” M.A. thesis, Ohio State University, 1982.

Clarke, Gary E. "A study of the music of Charles Edward Ives.” B.A. thesis, Cornell College, 1965.

Greenberg, Jacob. “Charles Ives's songs: a pianist's perspective.” D.Mus. thesis, Northwestern University, 2003.

Walton, Scott. “An improvisational reading of Charles Ives's Concord sonata.” D.M.A. thesis, University of California, San Diego, 2003.

Bechert, Tilmann. “Charles Ives und die amerikanische Musik bis zur Gegenwart: Begleitschrift zur Ausstellung, Niederrheinisches Museum der Stadt Duisburg, 13. September bis 1. November 1987.”