//-->
Farm structure in regional comparision : California and New Jersey vegetable farms
Gregor, Howard F., (1969)
Economic status of income groups by farm size
Orazem, Frank, (1972)
Large farm organization in East Central Ohio
Howell, James Dean, (1973)
Ökonomische Probleme der Automatisierung in den USA
Wheeler, George S., (1961)
The human face of socialism : the political economy of change in Czechoslovakia
Wheeler, George S., (1973)
Agriculture in the U.S.A.
Wheeler, George S., (1959)