Under the banner of internationalism / 
Tenth Congress of Bulgarian Communist Party held at Bulgaria on April 20-25, 1971 
 - Sofia :  The Press,  1971 
 - viii, 495 p. ;  20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communist parties--Bulgaria
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Bulgaria--Politics and government
<br/><br/><label>Dewey Class. No.: </label>329.94977