Church history History 80 Church and state 15 Christianity 14 Reformation 13 Religion 10 Monasticism and religious orders 7 more ... Theology, Doctrinal 7 Catholic Church 6 Theology 6 Christianity and other religions 5 Religious aspects 5 Foreign relations 4 Historiography 4 History of contemporary events 4 Christian heresies 3 Christian life 3 Christianity and politics 3 Christians 3 Criticism, interpretation, etc 3 Germans 3 Investiture 3 Islam 3 Monastic and religious life 3 Relations 3 Antichrist 2 Apologetics 2 Appointment, call, and election 2 Bishops 2 Christian women 2 less ...