Columbia subject headings:
Architecture--Lebanon--Beirut.
Beirut (Lebanon)--Buildings, structures, etc.
Islamic architecture--Lebanon--Beirut.
Harvard subject headings:
Architecture, Domestic--Lebanon--Beirut--Pictorial works.
Architecture--Lebanon--Beirut--Pictorial works.
Architecture--Lebanon--Beirut.
Beirut (Lebanon)--Buildings, structures, etc.
Beirut (Lebanon)--Buildings, structures, etc.--Pictorial works.
Islamic architecture--Lebanon--Beirut--Pictorial works.
Islamic architecture--Lebanon--Beirut.
Ruined buildings--Lebanon--Beirut--Pictorial works.
Princeton subject headings:
Architecture--Lebanon--Beirut.
Beirut (Lebanon)--Buildings, structures, etc.
Islamic architecture--Lebanon--Beirut.