Mattner, Lothar. “Komponierren ohne Heiligenschein: Kölner Festival: ‘Charles Ives und die amerikanische Musik.’” Neue Zeitschrift für Musik 149 (May 1988): 46.
Perlis, Vivian. “Oral History as Biography: Ives, Copland, Ellington, Cage, and Others.” Lecture, Cornell University Uni-versity Lecture Series, Ithaca, NY, January 27, 1988.
Zierolf, Robert. “Discontinuity as the Principal Modern Element in Ives’ Music.” Lecture, Meeting of the Central Midwest Theory Society Meeting and Great Plains Chapter of the College Music Society, Manhattan, KS, March 8, 1987.