Snodgrass, Milton M Wallace, Luther T <br/><br/>
Agriculture, economics and growth 

 - 2nd ed. 
 - New York  Appleton - century - crofts  1970 
 - xiii, 489p.; 24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture - United States<br/>Economic life<br/>Natural resources<br/>Profit maximization