1. The Haughley Experiment 1938–1962;Anonymous,1962
2. Organic Farming: Current Technology and its Role in a Sustainable Agriculture;ASA,1984
3. The Living Soil and the Haughley Experiment;Balfour,1975
4. Organic and conventional wheat production: examination of energy and economics;Berardi;Agro-Ecosystems,1978
5. Alternative methods of agriculture,1980