• 1 Steenbock Library

• 1 Books
• 1 Journals, Magazines, Newspapers

• 2 Economic aspects
• 1 Agricultural industries
• 1 Farm produce
• 1 Farms
• 1 Farms, Size of
• 1 Organic farming
• 1 Sociology, Rural

• 1 Pennsylvania State University. Agricultural Experiment Station
• 1 Pennsylvania State University. Department of Agricultural Economics and Rural Sociology
• 1 United States. Department of Agriculture. Economic Research Service

• 2 English

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