Oxford, Bodleian Library, MS Canon. Misc. 213 Masses by Dufay and Binchois, early 15th century http://bodley30.bodley.ox.ac.uk:8180/luna/servlet/detail/ODLodl~1~1~37268~122902?qvq=w4s:/what/MS.+Canon.+Misc.+213;lc:ODLodl~1~1&mi=0&trs=145