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Incomes from Farming and Cost of Apple Production in the Shenandoah Valley, Frederick County, Va

Carl Robert Swinson

出版	U.S. Department of Agriculture, 1927
URL	http://books.google.com.hk/books?id=H1FYKYbE3v8C&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN