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Natural and Supernatural
March 9, 1972
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Large Questions
August 18, 1966
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Dangerous Animal
February 17, 1966
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Where Do We Go From Here?
February 25, 1965
Continuities in Cultural Evolution by Margaret Mead
The Future of Man by Pierre Teilhard de Chardin
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A Dark Side of the Renaissance
September 10, 1964
Giordano Bruno and the Hermetic Tradition by Frances A. Yates