Columbia subject headings:
Christianity and other religions--Islam.
Christianity--Middle East.
Harvard subject headings:
Christianity and other religions--Islam
Christianity--Middle East.
Islam--Relations--Christianity
Middle East--Church history--20th century.
Middle East--Church history--21st century.
Princeton subject headings:
Christianity and other religions--Islam.
Islam--Relations--Christianity.
Middle East--Ethnic relations--Political aspects.
Middle East--Ethnic relations.