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The movement of labor between farm and nonfarm jobs
Perkins, Brian, (1966)
Socio-economic conditions for the reproduction of skilled agricultural cadres
Ladenkov, V. N., (1968)
Migratory labor in American agriculture : report of the President's Commission on Migratory Labor
(1951)
Farm population trends by farm characteristics : 1975 - 80
Banks, Vera J., (1984)
Farm population trends by farm characteristics, 1975-1980
Farm population estimates, 1910-70
Banks, Vera J., (1973)