Enciclopedia de Elena G. de White
Denis Fortin & Jerry Moon
Mathematica® by Example
Martha L. Abell & James P. Braselton
Ten Universal Principles
Spitzer, Fr. Robert J.
Natural Language Processing with Python: Analyzing Text with ...
Steven Bird & Edward Loper & Ewan Klein
Group Psychology and the Analysis of the Ego
Sigmund Freud
Power and Market - Government and the Economy
Murray Newton Rothbard