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The Global Predicament: Ecological Perspectives on World Order by Orr, David W., Soroos, Marvin S.

Foxfire 5: Ironmaking, Blacksmithing, Flintlock Rifles, Bear Hunting by Wigginton, Eliot, Foxfire Fund Inc

Toxic Plants: Proceedings of the 18th Annual Meeting of the Society for Economic Botany, Symposium on Toxic Plants, June 11-15, 1977, the University o by