Royal J. Haskell

1890 – 1958

• Disease-resistant varieties of vegetables for the home garden
• Importance of treating seed grain
• Summary of plant diseases in the United States in 1918
• The fight against plant dieseases in 1933
• The plant disease situation
• Diseases of cereal and forage crops in the United States in 1922
• Diseases of cereal and forage crops in the United States in 1923
• Diseases of cereal and forage crops in the United States in 1924
• Diseases of cereal and forage crops in the United States in 1925
• Diseases of cereal and forage crops in the United States in 1927
• Diseases of cereal and forage crops in the United States in 1928
• Diseases of field and vegetable crops in the United States in 1919