J. George Harrar

1906

• Guide to Southern Trees
• Nutrition and numbers in the Third World
• Prospects of the world food supply
• Strategy toward the conquest of hunger
• Diseases of pears in Washington
• Factors affecting the pathogenicity of Fomes lignosus Klotsch
• International collaboration in food production
• Mexican agricultural program
• Principles for progress in world agriculture
• Prospects of the world food supply
• Survival or fulfillment