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The Delmarva poultry industry in interregional competition
Via, James E., (1970)
Economic and technological trends, 1936-1961
Koudele, Joe W., (1964)
The Netherlands poultry meat industry
Warren, Cline J., (1972)
Census statistics of the population dependent ov various types of economic activities
Nixon, James W., (1953)
The states of chief industrial importance
Nixon, James W., (1960)
Integration revisited
Henry, W. R., (1960)