Books about Church and state

Church and State as Seen in the Formation of Christendom

Monks, Popes, and their Political Intrigues

Act, Declaration, & Testimony for the Whole of our Covenanted Reformation, as Attained to, and Established in Britain and Ireland; Particularly Betwixt the Years 1638 and 1649, Inclusive

Church and Nation

Il cristianesimo e la religione di domani (Italian)

De la cruauté religieuse (French)

What Does History Teach?

Influencia da Religião sobre a Politica do Estado (Portuguese)

The Church In Politics—Americans Beware!