2009
- 12.13.2008 - Michael K descartes has no potential part 1
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- 12.13.2008 - Mervin Fansler Curvature of the 18th Century part 1
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- 12.13.2008 - Mervin Fansler Curvature of the 18th Century part 2
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- 12.13.2008 - Mervin Fansler Curvature of the 18th Century part 3
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- Monday,October,06,?2008- Bill R on Creativity from Cusa to Kepler
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