Show Appearances
- August 16, 2001
Topic: The history and future of agriculture on Earth
- February 4, 1990
Topic: The Economics of Our Agricultural Plight
- July 9, 1989
Topic: Sustainable Agriculture, Dangers of Pesticides and Natural Pest Control
- March 12, 1989
Topic: Publisher of Acres USA: A Voice for Eco-Agriculture, and A Life in the Day of An Editor, Halcyon House, 1986
Books
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