• 33 Wisconsin Historical Society Library
• 3 Steenbock Library

• 40 Books

• 9 Seeds
• 8 Vetch
• 7 Legumes
• 5 Green manure crops
• 4 Forage plants
• 3 Agricultural productivity
• 3 Bur clover
• 3 Cover crops
• 3 Lespedeza
• 3 Soil conservation
• 2 Kudzu
• 2 Lupines
• 2 Soil fertility
• 1 Agricultural machinery
• 1 Agriculture
• 1 Alfalfa
• 1 Alfalfa, Arabian
• 1 Belle Fourche irrigation project
• 1 Big trefoil
• 1 Clover
• 1 Corn
• 1 Crotalaria
• 1 Diseases and pests
• 1 Fava bean
• 1 Field crops

• 38 McKee, Roland
• 5 Schoth, H. A. (Harry August), 1891-1975
• 4 United States. Department of Agriculture. Office of the Secretary
• 3 Piper, Charles V. (Charles Vancouver), 1867-1926
• 3 Stephens, J. L. (James Louis), 1902-1982
• 2 Enlow, C. R. (Charles Ranger), 1893-
• 2 Hillman, F. H. (Fred Hebard), 1863-1954
• 2 Humphries, W. R. (Walter Raymond), 1886-
• 2 Hurst, W. M. (Wilbur Magruder), 1898-
• 2 Kell, Walter V., 1889-
• 2 McNair, A. D
• 2 Ritchey, G. E. (George Edgar), 1888-1960
• 1 Aune, Beyer
• 1 Briggs, Lyman J. (Lyman James), 1874-1963
• 1 Evans, Morgan W. (Morgan William), 1879-
• 1 Fairchild, David, 1869-1954
• 1 Hyland, Howard L
• 1 McKee, Roland, 1880-
• 1 McKee, Roland. 1880-
• 1 Ricker, Percy Leroy, 1878-1973
• 1 Simmonds, Edward
• 1 United States. Bureau of Plant Industry
• 1 United States. Bureau of Plant Industry, Soils, and Agricultural Engineering
• 1 Westgate, J. M

• 40 English

• 5 Southern States
• 1 California
• 1 Gainesville (Fla.)
• 1 Tifton (Ga.)

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