Open Court Publishing Company

The Logic of Perfection

By Hartshorne, Charles

The Philosophy of Logical Atomism (Library of Living Philosophers)

By Russell, Bertrand, Pears, David

Recent Philosophers

By Passmore, John Arthur

Philosophy and the Real World: An Introduction to Karl Popper

By Magee, Bryan

Sing, Clap, and Dance with LADYBUG: Songbook

By Ladybug Magazine, Carus