ROYAL MUSIC COLLECTION. Bevan (Elway). Canons; early 17th century. Autograph collection of over 300 short canons, in score, mainly on plainsong canti fermi, for 3, 4, 5, 6, 7, 8, 9, 11, 12, 14 and 20 voices. Among many miscellaneous exercises are a numbered set of 51 canons for three voices, ff....
