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- *Sagan, Carl (1997). ''The Demon-Haunted World: Science as a Candle in the Dark .''5 KB (819 words) - 21:48, 28 August 2007
- *[[Carl Sagan|Sagan, Carl]], 1995. ''The Demon-Haunted World : Science As a Candle in the Dark'' New13 KB (1,901 words) - 11:08, 12 June 2009