Strong and Weak Emergence (Essay)
David John Chalmers
Bird's Higher Engineering Mathematics
John Bird
Act of Creation
Stephen C. Schlesinger
Gnosticism: New Light on the Ancient Tradition of Inner Knowing
Stephan A. Hoeller
Biographies of Artists: Vincent van Gogh, Leonardo da Vinci, ...
Hourly History
A Guidebook to Learning : For a Lifelong Pursuit of Wisdom
Mortimer Jerome Adler & Charles van Doren