Religion 12 Church history 10 History 10 Christian sects 8 Protestants 8 Religion and politics 5 Christianity and other religions 3 more ... Islam 3 Religious aspects 3 Christianity 2 Church and state 2 Laicism 2 Relations 2 Catholic Church 1 Celts 1 Christian martyrs 1 Civilization, Hispanic 1 Civilization, Oriental 1 Criticism and interpretation 1 Democracy 1 East and West 1 Ethnic relations 1 Foreign public opinion, British 1 Foreign public opinion, French 1 Foreign relations 1 Freedom of religion 1 Historicism 1 Historiography 1 Influence 1 Insurgency 1 less ...