On Aggression
Konrad Lorenz & Julian Huxley
Philosophy of Mind: A Beginner's Guide
Edward Feser
Epistemology: Contemporary Readings
Michael Huemer
Routledge Contemporary Readings in Philosophy (1)
Encyclopedia of Society and Culture in the Medieval World
Pam J. Crabtree
Philosophy: 100 Essential Thinkers
Philip Stokes
The Case Against the Fed
Murray Newton Rothbard