Varen J Van Der <br/><br/>
Organisation of technical instruction  for agriculturists 

 - Geneva  League of Nations          1939 
 - 29 p  cm. 
 - Series of League of Nations publications, European conference on rural life. 14) .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>J B.3.N39, G9