Kraenzel, Carl <br/><br/>
Great Plains :  a region basically vulnerable 

 - Publication, 74 .
<br/><br/> <Donation Engel> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Région<br/>Agriculture
<br/><br/><label>Subjects--Index Terms: </label>Etats Unis