Ross, Robert Cooke,  1891-1979. <br/><br/>
An introduction to agricultural economics / 
by Robert Cooke Ross. 
 - New York :  McGraw-Hill,  c1951. 
 - 414 p. :  maps, diagrs. ;  24 cm. 
<br/><br/>Includes Index & bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Economic aspects.<br/>Agriculture--Economic aspects--United States.
<br/><br/><label>Dewey Class. No.: </label>338.1  / ROI 1951