TY  - BOOK
AU  - Gras, Norman Scott Brien.
TI  - A history of agriculture in Europe and America
U1  - 630.9 
PY  - 1940///
CY  - New York
PB  - Crofts
KW  - Agricultura
KW  - Historia
KW  - E.U.A
KW  - Europa
ER  -