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Economic effects of acreage control programs in the 1950's /

By Christensen, Raymond P..
Washington : U.S. Dept. of Agriculture, Economic Research Service, Farm Economics Division, 1962 .
51 p. : , Cover title. 26 cm..

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How the United States improved its agriculture /

By Christensen, Raymond P..
Washington, D.C. : Development and Trade Analysis Division, Economic Research Service, U.S. Dept. of Agriculture, 1964 .
iv, 32 p. : , Cover title. 26 cm..

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Taiwan's agricultural development; its relevance for developing countries today

By Christensen, Raymond P..
Washington, U.S. Dept. of Agriculture, Economic Research Service, Foreign Development and Trade Division 1968 .
viii, 92, [1] p. 24 cm..

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