 | Agriculture Economic aspects. | (5) |
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 | Concepts involved in defining and identifying farms / . Foote, Richard Jay, 1914- 2n Washington, D.C. : U.S. Dept. of Agriculture, Economic Research Service, 1970. | |
| Measures of the degree and cost of economic protection of agriculture in selected countries / . Dardis, Rachel. 4n Washington : U.S. Dept. of Agriculture, 1967. | |
| The literature of agricultural economics : its bibliographic organization and use / Isaac Thomas Littleton. Littleton, Isaac Thomas, 1921- : North Carolina Agricultural Experiment Station, 1969. | |
| State land-settlement problems and policies in the United States / by W.A. Hartman. Hartman, W. A. (William Albert), 1895- 4n Washington : U.S. Dept. of Agriculture, 1933. | |
| An international comparison of agricultural production and productivities / Yåujiråo Hayami, in association with Barbara B. Miller, William W. Wade Sachiko Yamashita. Hayami, Yåujiråo, 1932- cn : Agricultural Experiment Station, 1971. | |
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