Columbia subject headings:
Architecture--Pakistan--Karachi.
Karachi (Pakistan)--Description and travel.
Karachi (Pakistan)--History.
Harvard subject headings:
Architecture--Pakistan--Karachi.
Karachi (Pakistan)--Buildings, structures, etc.
Karachi (Pakistan)--Description and travel.
Karachi (Pakistan)--History.
Princeton subject headings:
Architecture--Pakistan--Karachi.
Karachi (Pakistan)--Description and travel.
Karachi (Pakistan)--History.