Sauer, Carl Ortwin <br/><br/>
Seeds, spades, hearths, and herds 

 - New York  American Geographical Society  1969 
 - 175p.  21cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>lant cultivated
<br/><br/><label>LC Class. No.: </label>S421.S3