Books
- Soil conservation for small farmers in the humid tropics (FAO soils bulletin)
- Cowboys, Gentlemen and Cattle Thieves: Ranching on the Western Frontier
- History of the Dairy Industry
- Applying Livelihood Approaches to Natural Resource Management Initiatives: Experiences in Namibia and Kenya (Working Paper)
- Agricultural Development Principles : Economic Theory and Empirical Evidence (The Johns Hopkins Studies in Development)
Books