Catholic Church Religious aspects 1,507 Doctrines 1,077 History 1,054 Spiritual life 897 Relations 514 Christian sociology 376 more ... Church history 315 Christianity 301 Church and social problems 280 Clergy 242 Mysticism 240 Sacraments 240 Pastoral theology 238 Lord's Supper 217 Catholic authors 213 History of doctrines 211 Spirituality 206 Church and state 200 Marriage 194 Church renewal 188 Judaism 166 Religious life 164 Foreign relations 152 Liturgy 151 Christianity and politics 136 Christian ethics 131 Protestant churches 129 Laity 128 Catholics 109 less ...