McDonald 2004, p. 267. McDonald, Matthew (Spring 2004). "Silent Narration? Elements of Narrative in Ives's "The Unanswered Question"". 19th-Century Music. 27 (3): 263–286. doi:10.1525/ncm.2004.27.3.263.
McDonald 2004, p. 266. McDonald, Matthew (Spring 2004). "Silent Narration? Elements of Narrative in Ives's "The Unanswered Question"". 19th-Century Music. 27 (3): 263–286. doi:10.1525/ncm.2004.27.3.263.
McDonald 2004, p. 269. McDonald, Matthew (Spring 2004). "Silent Narration? Elements of Narrative in Ives's "The Unanswered Question"". 19th-Century Music. 27 (3): 263–286. doi:10.1525/ncm.2004.27.3.263.