Harlan, Jack R.  <br/><br/>
Theory and dynamics of grassland agriculture /  
Jack R. Harlan. 
 - New York :  D. Van Nostrand,  c 1956. 
 - x, 281 p. :  ill. ;  24 cm. 
 - Grassland farm series. .
<br/><br/> Includes Index. 
<br/><br/>400  400 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>633 / H226t