Simson, Otto Georg von,  1912- <br/><br/>
Sacred fortress :  Byzantine art and statecraft in Ravenna / 
by Otto G. von Simson. 
 - Chicago :  University of Chicago Press,  [1948] 
 - xv, 149 pages :  [49] plates. ;  29 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Church architecture--Italy--Ravenna<br/>Art, Byzantine
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Ravenna (Italy)--History
<br/><br/><label>Dewey Class. No.: </label>726.527094547