• 2 Wisconsin Historical Society Library

• 8 Journals, Magazines, Newspapers
• 1 Microforms

• 4 Research
• 3 United States. Agricultural Research Service
• 1 Agricultural experiment stations
• 1 Agricultural innovations
• 1 Agricultural productivity
• 1 Beltsville Agricultural Research Center
• 1 Economic aspects
• 1 Farms
• 1 Real property tax
• 1 Taxation
• 1 Valuation

• 2 United States. Department of Agriculture. Economic Research Service
• 1 United States. Agricultural Research Administration
• 1 United States. Agricultural Research Service. Production Economics Research Branch
• 1 United States. Department of Agriculture. Economics and Statistics Service
• 1 United States. Department of Agriculture. Economics, Statistics, and Cooperatives Service
• 1 United States. Office of Experiment Stations
• 1 United States. Science and Education Administration

• 8 English

• 7 United States

• 1 Statistics

Limit year range