1. Only One Earth: The Care and Maintenance of a Small Planet;Ward,1972
2. Our Common Future: The World Commission on Environment and Development;Bruntland,1987
3. Blueprint for Survival: By the Editors of The Ecologist;Goldsmith,1972
4. The Limits to Growth;Meadows,1972
5. Global Sustainability: The History/Timeline of an Idea,2001