Darwin
Julian Sorell Huxley & H. B. D. Kettlewell
Wittgenstein's Philosophical Investigations
William H. Brenner
A Grammar of Motives
Kenneth Burke
Elements of Natural Philosophy. By John Locke, Esquire. To Which ...
John Locke
Ending Plague: A Scholar's Obligation in an Age of Corruption
Kent Heckenlively & Judy Mikovits & Francis W. Ruscetti
Myths About Ayn Rand: Popular Errors and the Insights They Conceal
David Kelley & William R. Thomas & Alexander R. Cohen & Laurie Rice