Columbia subject headings:
Christianity and other religions--Islam.
Civilization, Western--Islamic influences.
Islam--Relations--Christianity.
Religion and state--Arab countries.
Religion and state--Europe.
Religious pluralism.
Secularism.
Harvard subject headings:
Civilization, Western--Islamic influences
Islam and secularism.
Muslims--Civil rights.
Muslims--Non-Islamic countries
Muslims--Non-Islamic countries.
Princeton subject headings:
Islam and secularism.
Muslims--Civil rights.
Muslims--Non-Islamic countries.