A. D. Shamel

• A new and valuable cover-crop for tobacco fields
• A study of the improvement of citrus fruits through bud selection
• Citrus-fruit improvement
• Citrus-fruit improvement
• Citrus-fruit improvement
• Cooperative improvement of citrus varieties
• Manual of corn judging
• Seed corn and some standard varieties for Illinois
• The book of corn
• The improvement of plants through bud selection
• The preparation of tobacco seed
• The selection of tobacco seed plants