found: Duets by American composers [SR] p1983:labels (Douglas Riva, piano)
found: American keyboard artists, 2nd edition(Riva, Douglas; born 8-16-1951, Jacksonville, IL)
found: Granados, Enrique. Obras orquestrales, 2016:title page (edición crítica, Douglas Riva)
found: nuc88-33817: His The Goyescas for piano by ... [MI] 1982(hdg. on CLU rept.: Riva, J. Douglas; usage: J. Douglas Riva)
found: Electronic communication with Douglas Riva, January 11, 2017(Douglas Riva and J. Douglas Riva, author of NYU dissertation are same person; formerly associate professor at Pace University, now Visiting Scholar, Foundation for Iberian Music, City University of New York, Graduate Center)