Christianity Christianity and other religions Islam Relations 439 History 143 Judaism 61 Religious aspects 43 more ... Church history 41 Islamic interpretations 28 Religion 21 Apologetics 18 Crusades 18 History and criticism 17 Muslims 17 Doctrines 16 Christians 15 Criticism, interpretation, etc 15 Jews 13 Ethnic relations 12 Missions 11 Politics and government 11 Theology, Doctrinal 11 Missions to Muslims 10 Relation to the Bible 9 Religions 9 Religious pluralism 9 Christian martyrs 8 In literature 8 Islam and politics 8 Islam in literature 8 less ...