Van Royen William <br/><br/>
Agricultural resources of the world 
Van Royen William 
 -  1954 
 - Atlas of the world's resources.; 1 .
<br/><br/><label>Standard No.: </label>67804 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>X9J:27f, J4