http://www.classical.net/music/comp.lst/dufay.html Classical Net: Basic Repertoire List: Dufay Brief biography and discography. http://www.skywriting.com/Lyrichord/early/bashour.html Dufay and Lyrichord Discs Program notes, including libretti for several masses. http://www.medieval.org/emfaq/composers/dufay.html Guillaume Dufay Biography, extensive discography (Medieval.org) http://www.vanderbilt.edu/Blair/Courses/MUSL242/dufayel.htm MUSL 242: Guillaume Dufay (c. 1400-1474) & the Renaissance Article by Erica Land; links.