1.

図書
図書
1. 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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2.

図書
図書
2. Managing a farm : a self-teaching course
prepared by members of the Division of Farm Management and Costs, Bureau of Agricultural Economics, U.S.D.A.
出版情報: [Washington, D.C.] : United States Armed Forces Institute, 1944
シリーズ名: War Department education manual ; EM-810
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