Groh, Jack. “A conductor's analysis of and preparation and approach to polyrhythms: with particular attention to polyrhythms in certain of the choral works of Charles E. Ives.” D.M.A. diss., University of Missouri-Kansas City, 1978.
Perlis, Vivian and Libby Van Cleve. “Charles Ives: 1874-1954.” In Composer's voices from Ives to Ellington: an oral history of American music, 8-21. New Haven, CT: Yale University Press, 2005.
Niemöller, Klaus Wolfgang and Manuel Gervink, eds. Bericht über das Internationale Symposion "Charles Ives und die amerikanische Musiktradition bis zur Gegenwart": Köln 1988. Regensburg, Germany: G. Bosse, 1990.
Kramer, Lawrence. ““A Completely New Set of Objects”: The Spirit of Place in Wallace Stevens and Charles Ives.” The Wallace Stevens Journal Vol. 2, No. 3/4 (Fall 1978): 3-15.
Porter, David Gray. Typescript of article. “Six articles on the works of American composer Charles Edward Ives,” 1996, University of California, Los Angeles Library, Los Angeles, California.