Encuentro con la sombra/ Meeting with the Shadow
Connie Zweig & Jeremiah Abrams
Geometry in Art and Architecture
Paul Calter
Towards a Unified Modeling and Knowledge-Represe[..] Based ...
Vassilis G. Kaburlasos
Truth and the Past
Michael A. E. Dummett
Mathematical Methods in Science
György Pólya
The Ethics of Liberty
Murray Newton Rothbard