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Minimum land requirements and adjustments for specified income levels, Southwestern Oklahoma
Strickland, Percy L., (1963)
Organization and operation of farms in the Claypan Areas of Southern Illinois
Cross, A. J., (1954)
Our 100000 biggest farms : their relative position in American agriculture
Nikolitch, Radoje, (1964)
Dimensions of the farm labor problem
Bishop, Charles E., (1967)
Increasing mobility of labor through training programs
Bishop, Charles E., (1968)
The mobility of rural manpower
Bishop, Charles E., (1969)