History 11,827 Catholic Church 6,799 Devotion to 3,790 Church history 3,441 Religious aspects 3,071 Liturgy 2,435 Catholic authors 2,412 more ... Missions 2,241 Doctrines 2,167 Shrines 2,038 Spiritual life 1,971 Christian saints 1,729 Christianity 1,656 Apparitions and miracles 1,523 Theology 1,320 Canon law 1,302 Education 1,293 Clergy 1,290 Controversial literature 1,245 Novenas 1,186 Christian life 1,166 Meditations 1,104 Catholic Worker Movement 1,066 Biography 1,037 Early works to 1800 1,002 Christian ethics 956 Church and state 871 Church architecture 836 Christian pilgrims and pilgrimages 787 Catholics 782 History and criticism 773 Indians of North America 752 English 730 Rosary 728 Lord's Supper 709 less ...