Sean Gallagher; James Haar; John Nádas; Timothy Striplin <br/><br/>
Western Plainchant in the First Millennium  Studies in the Medieval Liturgy and its Music 

 -  Taylor and Francis  2003 
<br/><br/><label>ISBN: </label>9781315084114 
<br/><br/><label>Source: </label>EBOOK