- The Story of the Soil from the Basis of Absolute Science and Real Life,
- Soil Fertility and Permanent Agriculture
- Directions for the Breeding of Corn, Including Methods for the Prevention of In-breeding
- Nitrogen Bacteria and Legumes: With Special Reference to Red Clover, Cowpeas, Soy Beans, Alfalfa, and Sweet Clover, on Illinois Soils
- The farm that won't wear out


















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