Macy, Gary.
Treasures from the storeroom: medieval religion and the Eucharist /
Gary Macy 
. - Collegeville : Liturgical Press,  1999 
. - xxi, 201 p.  23 cm. 
 - Pueblo book .
<br/><label>  ISBN: </label>0-8146-6053-3 
<br/><br/><label>Subjects--Personal Names: </label><br/>Berengar of Tours  ca. 1000-1088