Church History of doctrines 92 Doctrines 76 History 50 Authority 42 Biblical teaching 38 Catholic Church 36 more ... Christianity 31 Religious aspects 28 Theology 25 Unity 24 Christian union 23 Criticism, interpretation, etc 23 Church history 19 Theology, Doctrinal 19 Eglise 18 iglesia 18 Catholicity 16 Église 15 Relations 13 Siena Donor: St. Bernard's Institute 13 Christian ethics 12 Mission of the church 12 Church renewal 10 Mystical body 10 Church and the world 9 Clergy 9 Government 9 Infallibility 9 Religion 9 less ...