What Is Metaphysics, What Is Philosophy and Other Writings

All Life is Problem Solving

Conjectures and Refutations: The Growth of Scientific Knowledge

Two Fundamental Problems of the Theory of Knowledge

Kant and the Problem of Metaphysics

The Poverty of Historicism

On War

And Yet

The Essence of Christianity

Summa Theologica: Volume 3, Part 2 of Part 2 (Secunda Secundae)

Summa Theologica: Volume 4, Part 3 (Tertia Pars)

Summa Theologica: Volume 1, Part 1 (Prima Pars)

Summa Theologica: Volume 2, Part 1 of 2 (Prima Secundae)

Summa Theologica: Volume 5, Supplement to Part 3

Civilization and Its Discontents, Totem and Taboo

The Spirit of the Laws

Cancer: A Very Short Introduction, Second Edition

The Annals

The Archetypes and the Collective Unconscious

The Old Man in the Corner: and Other Detective Stories