Columbia subject headings:
Beirut (Lebanon)--Economic conditions--Congresses.
Beirut (Lebanon)--Social conditions--Congresses.
City planning--Lebanon--Beirut--Congresses.
Urban renewal--Lebanon--Beirut--Congresses.
Harvard subject headings:
Beirut (Lebanon)--Economic conditions--Congresses.
Beirut (Lebanon)--Social conditions--Congresses.
City planning--Lebanon--Beirut--Congresses.
Urban renewal--Lebanon--Beirut--Congresses.
Princeton subject headings:
Urban policy--Lebanon--Beirut--Congresses.
Urban renewal--Lebanon--Beirut--Congresses.