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Farm income and costs - 1952
Howell, H. B., (1953)
Resource productivity in Iowa farming with special reference to uncertainty and capital use in Southern Iowa
Heady, Earl O., (1952)
Capital in Agriculture : its Formation and Financing since 1870
Tostlebe, Alvin S., (1957)
Agricultural policy under economic development
Heady, Earl O., (1962)
The agriculture of the U. S.
Heady, Earl O., (1976)
Heady, Earl O., (1977)