Church history History Religious aspects 56 Christianity 54 Church and state 39 History of doctrines 30 Religion 30 more ... Protestant churches 22 Catholic Church 21 Politics and government 21 Christianity and politics 19 Religious life and customs 19 Missions 17 History and criticism 16 Judaism 16 Reformation 16 Christian sociology 14 Bishops 13 Doctrines 13 Relations 13 Christianity and culture 12 Christianity and other religions 12 Criticism, interpretation, etc 12 Monasticism and religious orders 12 Social conditions 12 Baptists 11 Clergy 10 Religious life 10 Intellectual life 9 Christian saints 8 less ...