Catholic Church 19 History 15 Spiritual life 8 Doctrines 7 Mysticism 7 Religious aspects 7 Theology, Doctrinal 7 Catholic authors 6 Christianity 5 Christian life 3 Church and social problems 3 Love 3 Monastic and religious life 3 Popes 3 Prayer 3 Apologetics 2 Christian saints 2 Christology 2 Church history 2 Description and travel 2 Dogma, Development of 2 Early church 2 Education 2 Middle Ages 2 Perfection 2 Person and offices 2 Philosophy 2 Psychological aspects 2 Psychology 2 Religion 2