Schevill, James Erwin. “Hats and Ears for Charles Ives.” In The Complete American Fantasies. Athens, OH: Swallow Press/Ohio University Press, 1996: 17--19.
Williams, Jonathan. “Part Two: Essays Before a Sonata.” A Garland for Charles Ives: Special Supplement to Parnassus: Poetry in Review 3/2(Spring/Summer 1975): 353--373.
Houston, Peyton. “Concord: In Memory of C. I.” A Garland for Charles Ives: Special Supplement to Parnassus: Poetry in Review 3/2(Spring/Summer 1975): 327--328.