Rural life in Bulgaria etc 

 -  1939 
 - European Conference on Rural Life, 28 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rural Sociology
<br/><br/><label>Dewey Class. No.: </label>Y31:1:1:5922:N3, G9