1,033 Christianity 831 History 522 Christian life 347 Religious aspects 224 Church history 212 Christian ethics 208 Christianity and other religions 202 Missions 186 Religion 179 History and criticism 173 Christian sociology 166 Social conditions 157 Relations 149 Women 146 Christian art and symbolism 136 Conduct of life 135 Theology 124 Politics and government 120 Christian education 115 Islam 109 Hochschulschrift 105 Women's rights 100 Philosophy 89 Christian saints 88 Description and travel 83 German poetry 83 History of doctrines 78 Catholic authors 74 Education 74 Theology, Doctrinal