Rules of plain music = Breviloquium musicale /

Bibliographic Details
Main Author:	Bonaventura, da Brescia, active 1489-1497
Format:	Book
Language:	English
Published:	Colorado Springs : Colorado College Music Press, 1979.
Series:	Translations (Colorado College. Music Press) ; no. 11.
Subjects:	Gregorian chants > Instruction and study > Early works to 1800.