Block, Geoffrey. “Remembrance of Dissonances Past: The Two Published Editions of Ives’s Concord Sonata.” In Ives Studies, edited by Philip Lambert, 27-50. Cambridge, UK: Cambridge University Press, 1997.
Bernstein, Leonard. “The Absorption of Race Elements into American Music.” In Findings: Fifty Years of Meditations on Music, 36-99. New York, NY: Doubleday, 1982.
Bernstein, Leonard. “Young People’s Concerts Scripts: Charles Ives: American Pioneer,” 1967. February 23. Leonard Bernstein Collection, folder 04, box 111. Music Division, Library of Congress, Washington D.C.
Bernstein, Leonard. “Thursday Evening Preview Scripts: Opening of the New York Philharmonic Season of 1958-1959,” October 2, 1958. Leonard Bernstein Collection, folder 13, box 75. Music Division, Library of Congress, Washington D.C.
Berger, Arthur. “Charles Ives,” June 4, 1933. Typescript for Pan American Concert. Charles Ives Papers. Mss. 14, folder 2, box 56. Irving S. Gilmore Music Library, Yale University. New Haven.