The contested public square: the crisis of Christianity and politics

Welcome back to Babylon : how persecution permanently shaped Christian political ideas

The wisdom of the gods : theology encounters philosophy

Cities of God and man : Augustine formalizes the idea of dual citizenship

Natural law : the medieval church develops the most important political idea in history

Regio versus religio : the Reformation and the nation-state

On the road to Jerusalem : the emergence of religious freedom

An appeal to heaven : revolution and liberal democracy

The fiery trial : Christian responses to totalitarianism.