Articulo sobre el espectro de la concienci - Ken Wilber
Alberto Tenaglia
Great books of the Western World - Volume 15
Encyclopaedia Britannica, Inc
Five Insider Secrets to Leadership That Delivers
Brad Cleaveland
The Way of Zen
Alan Watts
The Timeline Book of Science
George Ochoa & Melinda Corey
The Myths and Legends of Ancient Greece and Rome
E. M. Berens