| The Age of Reason | Aristotle | Athens (Tour) |
| Thomas Aquinas | Augustine | Averroes |
| Avicenna | ||
| Francis Bacon | George Berkeley | Body-Mind Dualism (Reading) |
| Edmund Burke | ||
| John Calvin | Candide (Reading) | Cambridge (Tour) |
| Catherine of Siena | Christianity | The Critique of Political Economy (Reading) |
| Simone de Beauvoir | Jacques Derrida | Rene Descartes |
| John Dewey | Fyodor Dostoevsky | W.E.B. Du Bois |
| Meister Eckhart | Epictetus | Epicurus |
| An Essay on Man (Reading) | ||
| The Federalist Papers (Reading) | Florence (Tour) | Michel Foucault |
| Sigmund Freud | ||
| Gorgias (Sophists) | The Grand Inquisitor (Reading) | Greek Thought |
| G.W.F. Hegel | Hellenistic Thought | Hildegaard of Bingen |
| Thomas Hobbes | David Hume | |
| Jesus Christ | William James | Immanuel Kant |
| Soren Kierkegaard | ||
| Gottfried Leibniz | C.S. Lewis | John Locke |
| London (Tour) | ||
| James Madison | Karl Marx | Meister Eckhart |
| Medieval Thought | John Stuart Mill | |
| Friedrich Nietzsche | Nineteenth-Century Thought | Oration on the Dignity of Man (Reading) |
| Oxford (Tour) | ||
| Paris (Tour) | Blaise Pascal | Pico |
| Plato | Plotinus | Pompeii (Tour) |
| Protagoras (Sophists) | ||
| Renaissance Thought | Rome (Tour) | Richard Rorty |
| Jean-Paul Sartre | Socrates | Sophists |
| The Souls of Black Folks (Reading) | Stoics | |
| Teresa of Avila | Thomas Aquinas | Introduction to the Twentieth-Century |
| Vatican (Tour) | Versailles (Tour) | A Vindication of the Rights of Woman (Reading) |
| Voltaire | ||
| Ludwig Wittgenstein | Mary Wollstonecraft | Zeno of Citium |