Meetings at 6 rue des Colonels-Renard, Paris (Gurdjieff’s Paris ...
Georges Ivanovich Gurdjieff
Umberto Eco: Philosophy, Semiotics and the Work of Fiction
Michael Caesar
Brain Weaver, Volume 1
Andrew B. Newberg
A Glossary of Semantics and Pragmatics
D. A. Cruse
A Beginner's Further Guide to Mathematical Logic
Raymond M. Smullyan
Das System des Johannes Pico
Johann Georg Dreydorff