• 1 Wisconsin Historical Society Library

• 1 Agriculture
• 1 Building stones
• 1 Electricity in agriculture
• 1 Geology, Economic
• 1 Lake sediments
• 1 Rural electrification
• 1 Taxation

• 1 Blough, Roy, 1901-2000
• 1 Bortleson, Gilbert Carl, 1940-
• 1 Buckley, E. R. (Ernest Robertson), 1872-1912
• 1 Duffee, F. W. (Floyd Waldo), 1893-
• 1 Gould, John
• 1 Morrison, W. H
• 1 Schaenzer, Joseph Peter, 1892-
• 1 University of Wisconsin. Department of Agricultural Engineering
• 1 Wisconsin Farmers' Institutes
• 1 Wisconsin. Tax Commission

• 5 English

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