http://www.classical.net/music/comp.lst/piston.html Classical Net - Basic Repertoire List - Piston Biography, select works. http://www-sul.stanford.edu/depts/music/mla/necrology/entries/1976/mainindx/0161.html M.L.A. Obituary Index--Piston, Walter Obituary and dictionary citations. http://www.schirmer.com/composers/piston_bio.html Walter Piston Biography, key works, selected discography, links.