Animal Minds and Human Morals: The Origins of the Western Debate
Richard Sorabji
Objectivist Newsletter, Volume 2, 1963
Ayn Rand
Great books of the Western World - Volume 39
Encyclopaedia Britannica, Inc.
Habermas and Religion
Craig Calhoun & Eduardo Mendieta & Jonathan Vanantwerpen
A New Concept of the Universe
Walter Russell
Breakfast of Champions
Kurt Vonnegut
The Dream God
Brendan M. P. Heard
The Hidden Worlds
Sandra Ingerman & Katherine Wood