TY  - BOOK
ED  - Yearbook of Agriculture.
TI  - Farmers in a changing world
U1  - 630.5 
PY  - 1940///
CY  - Washington
PB  - Goverment Printing Office
KW  - Agricultura y Estado
KW  - E.U.A
KW  - Agricultura
KW  - Historia
ER  -