"Neil deGrasse Tyson and Executive Producer Ann Druyan Talk COSMOS: A SPACETIME ODYSSEY, Public Appetite for Science, and More". Interview with Christina Radish, collider.com. March 17, 2014.
"Neil deGrasse Tyson and Executive Producer Ann Druyan Talk COSMOS: A SPACETIME ODYSSEY, Public Appetite for Science, and More". Interview with Christina Radish, collider.com. March 17, 2014.
William Fleming, Charles Porterfield Krauth (1860). “The Vocabulary of Philosophy, Mental, Moral and Metaphysical: With Quotations and References; for the Use of Students”, p.230