Raamatud J E Wills

Management and Costs of Field-shelling and Artificial Drying of Corn in Illinois

J E Wills, Roy Neuman van Arsdall, Velmar W Davis

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Employment and Income of Rural Families in Southern Illinois

Harold L Koeller, J E Wills

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Organization and Operation of Farms in the Claypan Area of Southern Illinois With Special Reference to Wayne County

J E Wills, A J Cross

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