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1.

図書
図書
1. Plant diseases : the yearbook of agriculture
United States Department of Agriculture ; [Alfred Stefferud, editor]
出版情報: Washington, D.C. : U.S. Dept. of Agriculture, [1953]
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2.

図書
図書
2. Crops in peace and war
United States Department of Agriculture (Washington, D.C.)
出版情報: Washington D.C. : United States Government Printing Office, 1951
シリーズ名: Yearbook of agriculture ; 1950-1951
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3.

図書
図書
3. Soil
United States. Dept. of Agriculture
出版情報: Washington : U.S. Govt. Print. Off, 1957
シリーズ名: Yearbook of agriculture ; 1957
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4.

図書
図書
4. What is farming?
prepared by specialists in the United States Department of Agriculture ; under the editorial supervision of Gustav E. Larson
出版情報: Madison, Wis. : United States Armed Forces Institute, 1944
シリーズ名: War Department education manual ; EM 800
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