Religion History 37 Church history 23 Primitive and early church 18 Christianity 16 Christianity and other religions 11 Roman 11 more ... Interfaith relations 8 Romans 8 Judaism 6 Religious aspects 6 Early church 5 Paganism 5 Antiquities 4 Church and state 4 Civilization 4 Criticism, interpretation, etc 4 Emperors 4 History of doctrines 4 Relations 4 Christianity and culture 3 Christianity and politics 3 Greek 3 Greeks 3 Historiography 3 History and criticism 3 Influence 3 Kings and rulers 3 Manners and customs 3 Power (Social sciences) 3 less ...