Columbia subject headings:
Harvard subject headings:
Mecca (Saudi Arabia)--Civilization.
Mecca (Saudi Arabia)--History.
Mecca (Saudi Arabia)--In Islam.
Mecca (Saudi Arabia)--Intellectual life.
Princeton subject headings:
Mecca (Saudi Arabia)--Civilization.
Mecca (Saudi Arabia)--History.
Mecca (Saudi Arabia)--In Islam.
Mecca (Saudi Arabia)--Intellectual life.