Columbia subject headings:
Architecture and history--Lebanon--Beirut--Congresses.
Beirut (Lebanon)--Buildings, structures, etc.--Conservation and restoration--Congresses.
City planning--Lebanon--Beirut--Congresses.
City planning--Lebanon--History--20th century--Congresses.
Harvard subject headings:
Architecture and history--Congresses.
Beirut (Lebanon)--Buildings, structures, etc.--Conservation and restoration--Congresses.
City planning--Lebanon--Beirut--Congresses.
City planning--Lebanon--Beirut.
City planning--Lebanon--History--20th century--Congresses.
City planning--Lebanon.
Urban renewal--Lebanon--Beirut.
Princeton subject headings: