Philosophy: Key Themes
J. Baggini & G. Southwell
Psicología y religión
Carl Gustav Jung
Encyclopedia of the Archaeology of Ancient Egypt
Kathryn A. Bard
The Divine Within
Aldous Leonard Huxley
Medieval Philosophy: From 500 to 1500 CE
Brian Duignan
Scientific Philosophy: Origins and Development
Carl G. Hempel
Vienna Circle Institute Yearbook (1)