Columbia subject headings:
Mecca (Saudi Arabia)--Buildings, structures, etc.
Mecca (Saudi Arabia)--History.
Mosques--Saudi Arabia--Mecca.
Muslim pilgrims and pilgrimages--Saudi Arabia--Mecca.
Harvard subject headings:
Mecca (Saudi Arabia)--Buildings, structures, etc.
Mecca (Saudi Arabia)--History.
Mosques--Saudi Arabia--Mecca.
Muslim pilgrims and pilgrimages--Saudi Arabia--Mecca.
Princeton subject headings: