Gray Lewis Cecil <br/><br/>
Introduction to agricultural economics 
Gray Lewis Cecil 
 -  1924 
 - School Science Text-Books Series, ed by Richard T Ely, 16 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture Insdustry
<br/><br/><label>Dewey Class. No.: </label>X9J::73:N2, F4