 He has published over thirty scholarly papers in such journals and periodicals as Perspectives of New Music, Journal of Music Theory, Indiana Theory Review, In Theory Only, Interface, Contemporary Music Review, Artforum, Computer Music Journal, Revue d’Esthetique, and Percussive Notes.DeLio has also written books, including one analyzing the work of Morton Feldman ("The Music of Morton Feldman") and another offering analysis of several “open form” works ("Circumscribing the Open Universe").His book "The Amores of John Cage" was published by Pendragon Press (as part of the College Music Society series Sourcebooks in American Music) in 2010.