Roger Ebert in Chicago Tribune (March 30, 2011 7:21)
Blog 2
Edmund Burke in Dodo Press (2008-11-21)
Book 1
Ann Druyan, V.S. Ramachandran in The Science Network (November 5, 2006)
Conference Session 1
Thomas Paine in Tribeca Books (2011-07-03)
Book 6
American Library Association in American Library Association (2013)
Internet Article 1
César Chesneau Dumarsais in The Portable Enlightenment Reader (1750)
Book 1
Wikipedia (26 March 2011 at 22:)
Internet Article 1
John Toland in The Lilliput Press Ltd (1997-09-18)
Book 1
Percy Bysshe Shelley in Kessinger Pub Co (2004-06)
Book 1
