On Formally Undecidable Propositions of Principia Mathematica ...
Kurt Gödel
Religions of the World: A Comprehensive Encyclopedia of Beliefs ...
J. Gordon Melton & Martin Baumann
Marco Polo: A Life from Beginning to End (Biographies of Explorers ...
Hourly History
An Introduction to Medieval Philosophy: Basic Concepts
Joseph W. Koterski
Conceptual structures : applications, implementation and theory ...
John F. Sowa & Gerard Ellis & Robert Levinson & William Rich
Lecture notes in artificial intelligence (954)
A first course in complex analysis by Beck M., Marchesi G., ...
Matthias Beck & Gerald Marchesi & Dennis Pixton
Visualization Of Text Document Corpus
Blaž Fortuna & Dunja Mladenić & Marko Grobelnik