The divine office 

 - New York  HarperCollins  c2006 
 - xxiii, 700 p. ; 18 cm 
<br/><br/><label>ISBN: </label>9780007210909 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Christianity<br/>Religion
<br/><br/><label>Dewey Class. No.: </label>248 COL