Religious aspects Christianity 134 History 31 Catholic Church 29 Religion 19 Language and languages 18 Sex 18 Peace 17 War 17 Economics 16 Moral and ethical aspects 16 History of doctrines 13 World War, 1939-1945 13 Doctrines 12 History and criticism 12 Marriage 11 Birth control 10 Church history 10 Theater 10 Nationalism 9 Nuclear warfare 9 Psychological aspects 9 Race relations 9 Authority 8 Dance 8 Death 8 Homosexuality 8 Islam 8 Judaism 8 Philosophy 8