Music from the Earliest Notations to the Sixteenth Century

CHAPTER 8: BUSINESS MATH, POLITICS, AND PARADISE:

THE ARS NOVA

1   John    of  Tewkesbury, Quatuor principlaia musice  (1351); see M.  Bent,   “Vitry, Phillipe    de,”    in  New Grove   Dictionary  of  Music   and

Musicians,  Vol.    XXVI    (2nd    ed.,    New York:   Grove,  2001),  p.  804.