Columbia subject headings:
Harvard subject headings:
Architecture--Conservation and restoration--Egypt--Cairo--Congresses.
Cairo (Egypt)--Buildings, structures, etc.--Congresses.
Community development, Urban--Egypt--Cairo--Congresses.
Historic buildings--Conservation and restoration--Egypt--Cairo--Congresses.
Islamic architecture--Conservation and restoration--Egypt--Cairo--Congresses.
Princeton subject headings:
Architecture--Conservation and restoration--Congresses.
Architecture--Egypt--Cairo--Congresses.
Islamic architecture--Egypt--Cairo--Congresses.