[1]დაარქივებული December 24, 2019, საიტზე Wayback Machine. Kostelanetz, Richard and Brittain, H.R. "A dictionary of the avant-gardes," Taylor & Francis, Inc., 2001. Page 411. ISBN978-0-415-93764-1 Retrieved October 4, 2011
[2]დაარქივებული December 16, 2019, საიტზე Wayback Machine. Taruskin, Richard "The danger of music: and other anti-utopian essays," University of California Press, 2008, pages 56-59. Retrieved October 4, 2011
[1]დაარქივებული December 24, 2019, საიტზე Wayback Machine. Kostelanetz, Richard and Brittain, H.R. "A dictionary of the avant-gardes," Taylor & Francis, Inc., 2001. Page 411. ISBN978-0-415-93764-1 Retrieved October 4, 2011
[2]დაარქივებული December 16, 2019, საიტზე Wayback Machine. Taruskin, Richard "The danger of music: and other anti-utopian essays," University of California Press, 2008, pages 56-59. Retrieved October 4, 2011
Hall 1964, p. 42. Hall, David (September 1964). „Charles Ives: an American Original“. Hi-fi/Stereo Review. 13 (3): 42. OCLC17931951.CS1-ის მხარდაჭერა: ref=harv (link)