Facts and Values: Studies in Ethical Analysis
Charles L. Stevenson
Why is Economics Not an Evolutionary Science?
Thorstein Veblen
How Nonviolence is Misrepresented
Brian Martin
Go Figure: understanding figurative talk
Mihaela Popa-Wyatt
The World as Will and Representation, Vol. 2
Arthur Schopenhauer
The World as Will and Representation, Vol. 1
Tractatus Logico-Philosophicus
Ludwig Wittgenstein
Principia Ethica
G. E. Moore
Essential Works of Lenin
Vladimir Ilyich Lenin
Economic and Philosophic Manuscripts of 1844
Karl Marx
Discourse on Metaphysics and The Monadology
Gottfried Wilhelm Leibniz & George R. Montgomery