James W. McKinnon <br/><br/>
The Advent Project  The Later Seventh-Century Creation of the Roman Mass Proper 

 -  University of California Press  2000 
<br/><br/><label>ISBN: </label>9780520221987 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Antiquities & Archaeology<br/>Church music--Catholic Church--500-1400.,Gregorian chants--History and criticism.,Mass (Music)--500-1400.,Propers (Music)--500-1400--History and criticism.<br/>RELIGION