History 1,658 Church history 430 Controversial literature 331 Jansenists 179 Catholic Church 166 Church and state 143 Missions 105 Devotion to 102 Apologetic works 85 Shrines 78 Catholic authors 72 Spiritual life 68 Doctrines 66 Religious aspects 59 Liturgy 57 Christian saints 56 Apparitions and miracles 54 Early works to 1800 54 Education 54 Religious life and customs 50 Politics and government 47 Biography 42 Christian pilgrims and pilgrimages 42 Clergy 38 Catholics 36 Church architecture 34 Theology 34 Canon law 29 Chinese rites 28 Christian ethics 28 Authority 26 Bishops 26 Christianity 26 Meditations 25 Monasticism and religious orders 25