[en] [Library of Scottish Philosophy 01] • Art and Enlightenment Imprint Academic
[en] Where in the World is God? Smashwords
[en] The Greeks · A Portrait of Self and Others Oxford University Press, USA
[en] Universe Next Door : A Basic Worldview Catalog (9780830849390) Inscribe Digital
[en] How Humans Judge Machines MIT Press
[en] Miniature Guide to Critical Thinking Concepts & Tools (Thinker's Guide Library) Foundation for Critical Thinking
[en] [Gutenberg 14090] • Elements of Debating / A Manual for Use in High Schools and Academies Public Domain Books