Independent Quotes - Page 49
Thomas Jefferson, Joyce Appleby, Terence Ball (1999). “Jefferson: Political Writings”, p.379, Cambridge University Press
Thomas Jefferson (2011). “Jefferson on Freedom: Wisdom, Advice, and Hints on Freedom, Democracy, and the American Way”, p.77, Skyhorse Publishing, Inc.
Thomas Jefferson (2010). “The Works of Thomas Jefferson, Vol. IX (in 12 Volumes)”, p.140, Cosimo, Inc.
"Artificial Intelligence and Software Engineering". Book by Derek Partridge, "Beyond Programming Languages", 1991.
"Bully for Brontosaurus". Book by Stephen Jay Gould. "The Horn of Triton", pp. 508 - 509, 1991.
Richard Brinsley Sheridan, Thomas Moore (1833). “The works: With a biographical sketch”, p.10