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Johnson Donald Hughes

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Stand Alone

An environmental history of the world: humankind's changing role in the community of life
American Indian ecology
What is environmental history?
The Mediterranean: An Environmental History (Nature and Human Societies)
The Environmental History of the World: Humankind's Changing Role in the Community of Life
Pan's Travail: Environmental Problems of the Ancient Greeks and Romans
American Indians in Colorado
American Indians in Colorado
Ecological Consciousness Essays from the Earthday X Colloquium, University of Denver, April 21-24, 1980