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Colchicine in agriculture, medicine, biology, and chemistry
The principles of agriculture for common schools
Wyoming birds and their value to agriculture
Agriculture in the tropics; an elementary treatise
Agriculture of the United States in 1860
Practical helps in agriculture and nature study
British grasses and their employment in agriculture
Question box : answers from scientists at State agriculture experiment stations and foresters of the U.S. Department of Agriculture
Elementary lessons in the physics of agriculture
The Opportunity for forestry in Southern agriculture