Books in Philosophy (sorted alphabetically by author)
- A Theological-Political Treatise [Part III] Benedictus de Spinoza
- On the Improvement of the Understanding Benedictus de Spinoza
- Ethics — Part 3 Benedictus de Spinoza
- Theologico-Political Treatise — Part 2 Benedictus de Spinoza
- Theologico-Political Treatise — Part 1 Benedictus de Spinoza
- Ethics — Part 1 Benedictus de Spinoza
- Ethics — Part 2 Benedictus de Spinoza
- Ethics Benedictus de Spinoza
- Analysis of Mr. Mill's System of Logic W. Stebbing
- The English Utilitarians, Volume 1 (of 3) Leslie Stephen
- Deductive Logic St. George William Joseph Stock
- A Guide to Stoicism St. George William Joseph Stock
- Introduction to the Philosophy and Writings of Plato Thomas Taylor
- Tractatus Logico-Philosophicus (German) Ludwig Wittgenstein