15 books
Ventilation: For Dwellings, Rural Schools and Stables (Classic Reprint)
Irrigation and Drainage
Soil Management (Classic Reprint)
A Text Book of the Physics of Agriculture (Classic Reprint)
Investigations in Soil Management: Being Three of Six Papers on the Influence of Soil Management Upon the Water-Soluble Salts in Soils and the Yield of Crops (Classic Reprint)
Farmers of Forty Centuries, or Permanent Agriculture in China, Korea and Japan (Classic Reprint)
The Soil: Its Nature, Relations, and Fundamental Principles of Management (Large Text Classic Reprint)
The Soil
Farmers of Forty Centuries - Permanent Farming in China, Korea, and Japan
Farmers of Forty Centuries: Organic Farming in China, Korea, and Japan
Elementary Lessons in the Physics of Agriculture
The Soil - Its Nature, Relations And Fundamental Principles Of Management
Irrigation And Drainage; Principles And Practice Of Their Cultural Phases
Farmers of Forty Centuries or Permanent Agriculture in China, Korea and Japan
Farmers of Forty Centuries