Rooke, Chris. “Charles Ives: A Contemporary of Schoenberg”. Contact: A Journal for Contemporary Music (1971-1990), no. 9 (September 1, 1974). Accessed August 3, 2025. https://gold-ojs-prod.gold-eprints.cdl.cosector.com/index.php/contactjournal/article/view/contactjournal09_p19-22.