Vasilev, Vassil A. <br/><br/>
Bulgaria--13 centuries of existence / 
Vassil A. Vassilev ; translated [from the Bulgarian] by Zhechka Georgieva 
 - [Sofia] :  Sofia Press,  1979 
 - 160 p. :  ill., port. ;  18 cm. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Bulgaria--History
<br/><br/><label>Dewey Class. No.: </label>949.77