Electronic/World Wide Web>Message Posted to Online Forum/Discussion Group:  Tyson, Neil deGrasse (20160807), Reflections on Rationalia, Retrieved on 2016-09-02

Source Material [www.facebook.com]

Audiovisual Media>Audio Recording:  Tyson, Neil deGrasse (February 27, 2014), Neil DeGrasse Tyson Explains Why The Cosmos Shouldn't Make You Feel Small, Retrieved on 2016-03-14

Source Material [www.npr.org]

Electronic/World Wide Web>Internet Article:  Tyson, Neil deGrasse (November 1, 2005), The Perimeter of Ignorance, Retrieved on 2015-05-23

Source Material [www.haydenplanetarium.org]

Proceedings of Meetings and Symposia>Speech:  Tyson, Neil deGrasse (20150226), An Evening With Noel DeGrasse Tyson, Constitution Hall, Washington DC, Retrieved on 2015-03-04

Proceedings of Meetings and Symposia>Speech:  Tyson, Neil deGrasse , Does the Universe Have a Purpose?, Templeton Foundation, Retrieved on 2013-08-07

Source Material [www.templeton.org]

Electronic/World Wide Web>Message Posted to a Newsgroup:  Tyson, Neil deGrasse (12/21/2011), Neil deGrasse TysonNeil deGrasse Tyson Lists 8 (Free) Books Every Intelligent Person Should Read, Retrieved on 2012-07-12

Source Material [www.openculture.com]

Books, Brochures, and Chapters>Book:  Tyson, Neil deGrasse (2012-02-27), Space Chronicles, W. W. Norton & Company, Retrieved on 2012-05-07

Source Material [books.google.com]

Electronic/World Wide Web>Message Posted to Online Forum/Discussion Group:  Tyson, Neil deGrasse (20120505), Neil deGrasse Tyson Facebook Status Update on 20120505, facebook.com, Retrieved on 2012-05-05

Periodicals>Newsletter Article:  Tyson, Neil deGrasse (August 21, 2011), If I Were President..., New York Times, Retrieved on 2012-02-04

Source Material [www.haydenplanetarium.org]

Proceedings of Meetings and Symposia>Conference Session:  Tyson, Nye, Krauss, Gay, Phil (19 October 2011 ), TAM 2011 Panel: Our Future In Space, James Randi Foundation, Las Vegas, Retrieved on 2011-10-29

Source Material [www.randi.org]