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Improving Low Incomes on Tobacco Farms, Caswell County, North Carolina

Robert E. Graham

出版	U.S. Department of Agriculture, Bureau of Agricultural Economics, cooperating with North Carolina Agricultural Experiment Station, 1941
URL	http://books.google.com.hk/books?id=cFOvVyADaWEC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN