Faith and Reason: The Philosophy of Religion
Peter J. Kreeft
Higher Index Theory
Rufus Willett & Guoliang Yu
A First Course in Network Science
Filippo Menczer & Santo Fortunato & Clayton A. Davis
Social Problems - German Version
Henry S. George
Knowledge Encyclopedia
Smithsonian Institution
The Theory of Communicative Action: Lifeworld and System : A ...
Jürgen Habermas
The Gnostic Religion
Hans Jonas