found: His American folksongs of protest, 1953.
found: Wikipedia, May 28, 2015(Greenway, John; born Johannes Groeneweg, 1919, Liverpool, England, died 1991; author, singer, and scholar who focused on American folk songs of protest; professor of English at Denver University in the 1960s; professor of anthropology in the late 1960s through the 1970s at the University of Colorado in Boulder; authored or edited 19 books, wrote hundreds of articles and reviews, and was editor of the Journal of American folklore, Southwestern lore, and Western folklore)
found: Journal of American folklore, spring 1992:obituaries (John Greenway; born Johannes Groeneweg, 1919, Liverpool, England; United States citizen; died October 1991, Rifle, Colorado)
found: Social Security death index, May 28, 2015(John Greenway; born December 15, 1919, died October 15, 1991; last known residence: Boulder, Colorado)