Controversial literature 89 Christianity 49 Religious aspects 32 Catholic authors 31 History 27 Religion 23 Islam 16 more ... Apologetics 14 Doctrines 13 Judaism 12 Civil war 11 Church history 10 Criticism, interpretation, etc 10 Apologetic works 7 Christianity and other religions 7 Philosophy 7 Theology, Doctrinal 7 Feminism 6 History and criticism 6 Lutheran Church 6 Mormon Church 6 Protestant authors 6 Reformed Church 6 Relations 6 Theology 6 Women's movement 6 Catholic Church 5 Feminist theology 5 History of doctrines 5 Mormons 5 less ...