Columbia subject headings:
Architecture, Mameluke--Egypt--Cairo.
Cairo (Egypt)--Buildings, structures, etc.
Castles--Egypt--Cairo.
Fortification--Egypt--Cairo.
Harvard subject headings:
Architecture, Mameluke--Egypt--Cairo.
Cairo (Egypt)--Buildings, structures, etc.
Castles--Egypt--Cairo.
Fortification--Egypt--Cairo.
Princeton subject headings: