The International Thesaurus of Quotations: Revised Editon
Eugene Ehrlich & Marshall DeBruhl
Gnosis als Weltreligion: die Bedeutung der Gnosis in der Antike
Gilles Quispel
Articulo sobre el espectro de la concienci - Ken Wilber
Alberto Tenaglia
The Art of Debate
Jarrod Atchison
Future of Post-Human Semantics: A Preface to a New Theory of ...
Peter Baofu
Encyclopedia of the Human Brain
Antonio R.Damasio & Martha J. Farah