Columbia subject headings:
Mecca (Saudi Arabia)--History.
Muslim pilgrims and pilgrimages--Saudi Arabia--Mecca--History.
Harvard subject headings:
Mecca (Saudi Arabia)--History.
Mecca (Saudi Arabia)--In Islam.
Muslim pilgrims and pilgrimages--Saudi Arabia--Mecca--History.
Princeton subject headings:
Muslim pilgrims and pilgrimages--Saudi Arabia--Mecca.