Columbia subject headings:
Christianity and other religions--Egypt--Islam.
Copts--History.
Egypt--Ethnic relations.
Islam--Relations--Egypt--Christianity.
Harvard subject headings:
Christianity and other religions--Egypt--Islam.
Copts--Egypt--History.
Egypt--Ethnic relations
Islam--Relations--Egypt--Christianity.
Princeton subject headings:
Christianity and other religions--Egypt--Islam.
Copts--Egypt--History.
Egypt--Ethnic relations.
Islam--Relations--Egypt--Christianity.