Bulgaria  a country study 
edited by Glenn E. Curtis. 
 - 2nd ed. 
 - Washington, D.C.  Library of Congress  1993. 
 - xlvi, 328 p.  ill.  24 cm. 
 - Area handbook series .
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Bulgaria