給農夫們的實用建議 Practical Advice for Farmers |
豬隻 Hogs 出處: Delano, Jack, photographer. "Hogs in judging pavillion at a class in animal husbandry. Iowa State College. Ames, Iowa." 1942 May. America from the Great Depression to World War II: Photographs from the FSA-OWI, 1935-1945 from the Library of Congress. |
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