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Baron, Carol K. “Efforts on Behalf of Democracy by Charles Ives and His Family: Their Religious Contexts.” Musical Quarterly 87.1 (April 2004): 6-43.

Nicholls, David. “‘The Unanswered Question of Her Son’s Biography’: New Thoughts on Mollie Ives.” Journal of the Society for American Music 5.1 (February 2011): 95-111.

Budiansky, Stephen. “Ives, Diabetes, and His ‘Exhausted Vein’ of Composition.” American Music 31.1 (Spring 2013): 1-25.

Block, Geoffrey, and J. Peter Burkholder, eds. “Contemporary Views of Ives and His Music: Profiles 1932-1955.” In Charles Ives and His World, 363-442. Princeton, NJ: Princeton University Press, 1996.

Van Aver, Philip. “Untitled (Drawing).” Parnassus: Poetry In Review 3/2 (Spring/Summer 1975): 294.

Charles Ives and Henry David Thoreau: “A transcendental tune of Concord.” In Ives Studies, edited by Philip Lambert. Cambridge, UK: Cambridge University Press, 1997.

Shirley, Wayne D. Preface. In Charles E. Ives, The Fourth of July: Third Movement of A Symphony: New England Holidays, iii--vii. Charles Ives Society Critical Edition. Milwaukee, WI: Associated Music Publishers, 1992.