Understanding Animals
Lars Svendsen
The Oxford Handbook of Rationality
Alfred R. Mele & Piers Rawling
Knowledge and Inquiry: Essays on the Pragmatism of Isaac Levi
Erik J. Olsson
The Eternal Philosophy of Chaos - Tract
Timothy Leary
The End of Materialism
Charles T. Tart
Intuitive Thinking as a Spiritual Path
Rudolf Steiner