Relations History 33 International relations 24 Islam 17 Christianity 14 Interfaith relations 14 Christianity and other religions 12 more ... History and criticism 6 Civilization 5 Description and travel 5 Judaism 5 Travel 5 Ethnic relations 4 Historiography 4 Jews 4 Antiquities 3 Christians 3 Crusades 3 Early works to 1800 3 Foreign relations 3 Political aspects 3 British 2 East and West 2 Jewish travelers 2 Literature, Medieval 2 Manners and customs 2 Middle Ages 2 Middle Eastern influences 2 Muslims 2 Orientalism 2 less ...