Tierney, Brian. <br/><br/>
The crisis of church and state, 1050-1300 / 
Brian Tierney. 
 - U.S.A :  Prentice-hall,  c 1964. 
 - xi, 211 p. ;  21 cm. 
<br/><br/>400  400 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Church and state -- Europe -- History.<br/>Civilization, Medieval.
<br/><br/><label>Dewey Class. No.: </label>270.4 / T444e