Riedel, Johannes, ed. Ives at Minnesota. Minne-apolis, MN: Festival at the University of Minnesota, April-May, 1970.

Potter, Hugh. “Paul Rosenfeld: Criticism and Prophesy.” American Quarterly 22/1 (Spring 1970): 82-94.

Wilder, Robert D. Twentieth--Century Music, 95-98. Brown Music Horizons Series. Dubuque, IA: Wm. C. Brown, 1969.

Thomson, Alexander J. “Charles Ives: An Analysis and Application of His Scoring Techniques.” M.S. thesis, Western Connecticut State Uni-versity, 1969.

Rossi, Nick. “Charles Ives.” In Music of Our Time, 209-220. Boston, MA: Crescendo Publishing, 1969.

Pleasants, Henry. Serious Music: And All That Jazz: An Adventure in Music Criticism. New York, NY: Simon and Schuster, 1969.

Jensen, Jørgen I. “Charles Ives—En Musikalsk Modernist.” Dansk Musik Tidsskrift (1969): 13--19.

Hitchcock, H. Wiley. Music in the United States [La música en los Estados Uni-dos, una introdución a su historia]. Translated to Spanish. Buenos Aires, Argentina: Editorial Victor Leru, 1972.

Finney, Ross Lee. Review of Music in the United States, by H. Wiley Hitchcock. Notes 26/2 (1969 December): 271--271.

Covey, Cyclone. Review of Music in the United States, by H. Wiley Hitchcock. American Historical Review 75/4 (1970): 1177-1178.