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Incoming Resources
- Humphrey the wayward whale, by Ernest Callenbach and Christine Leefeldt ; illustrations by Carl Dennis Buell
- Ecology, a pocket guide, Ernest Callenbach
- Ecotopia, the notebooks and reports of William Weston, Ernest Callenback ; foreword by Malcolm Margolin
- Ecotopia, the notebooks and reports of William Weston, Ernest Callenbach
- Bring back the buffalo!, a sustainable future for America's Great Plains, Ernest Callenbach
- Ecotopia, the notebooks and reports of William Weston, Ernest Callenbach