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