Socratic Logic: A Logic Text using Socratic Method, Platonic ...
Peter J. Kreeft
Stoic Six Pack 7: The Sophists
William de Witt Hyde & Plato & Henry Sidgwick & William Smith
Natural Language at the Computer: Scientific Symposium on Syntax ...
Scientific Symposium On Syntax & Semantics For Text Processing & Man Machine Communication (1988, Heidelberg)
Adam Smith's Moral Philosophy: A Historical and Contemporary ...
Jerry Evensky
Probability Cheat Sheet
William Chen
The Coelbren Alphabet
John Michael Greer