Frithjof Schuon: Messenger of the Perennial Philosophy
Michael Oren Fitzgerald
Structural Linguistics
Zellig S. Harris
The Outer Limits of Reason: What Science, Mathematics, and Logic ...
Noson S. Yanofsky
The Conceptual Mind: New Directions in the Study of Concepts
Eric Margolis & Stephen Laurence
Introducing the AQAL Framework
Ken Wilber
The Revolution
Ron Paul