Sagan

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231	PDF Document Add to Reading List Source URL: www.marycoredemptrix.com Language: English - Date: 2012-07-11 14:50:33 Creationism Nihil obstat Imprimatur Carl Sagan Religion Christianity Astronomy
232	PDF Document Add to Reading List Source URL: www.garfield.library.upenn.edu Language: English - Date: 1999-10-04 14:27:01 American Association for the Advancement of Science Carl Sagan Omni Timothy Ferris Science and technology magazines Publishing Science
233	PDF Document Add to Reading List Source URL: www.angelfire.com Language: English - Date: 2005-02-26 08:27:36 Astrophysics SETI Physical cosmology Astrobiology Cosmologists Cosmos: A Personal Voyage Carl Sagan Cosmology Cosmos Astronomy Space Science