Robinson, Bradley Craig. “A study of Charles Ives's use of self-borrowing in the composition of selected songs for solo voice and piano.” D.M.A. diss., University of Illinois at Urbana-Champaign, 1999.
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.
Rodriguez, Paul Anthony. “Charles E. Ives: transcendental influence in selected short piano compositions.” M.A. thesis, California State University, Fullerton, 1985.