Milton M. Snodgrass 
Agriculture, economics, and growth. Ed 2 
 - 2nd Edition. 
 - New York  Appleton Century Crofts  1970 
 - 489p 
Milton M. Snodgrass & Luther T. Wallace: Agriculture, economics, and growth. Ed 2.  (2nd Edition.)  New York.  Appleton Century Crofts, 1970.--(338.1SNO)   
ENGLISH 
338.1  / SNO