Bulgaria :  a country study / 
Federal Research Division, Library of Congress ; edited by Glenn E. Curtis. 
 - 2nd ed. 
 - Washington, D.C. :  Federal Research Division, Library of Congress :  For sale by the Supt. of Docs., U.S. G.P.O.,  1993. 
 - xlvi, 328 p. :  ill., maps ;  24 cm. 
<br/><br/> "Research completed June 1992."  Supersedes the 1974 ed. of Area handbook for Bulgaria, coauthored by Eugene K. Keefe [et al.]. 
<br/><br/><label>ISBN: </label>0844407518 
<br/><br/><label>LCCN: </label>93010955  
<br/><br/><label>LC Class. No.: </label>DR 55 .B724 1993  / .B724 1993 
<br/><br/><label>Dewey Class. No.: </label>949.77