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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.