Sullivan, Richard Eugene,  1921- <br/><br/>
Heirs of the Roman Empire 

 - Ithaca, N.Y. :  Cornell University Press,  1960 
 - 178 p. ;  22 cm. 
<br/><br/><label>LCCN: </label>60-050481 /L 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civilization, Medieval