Columbia subject headings:
Beirut (Lebanon)--Pictorial works.
Photography--Lebanon--Beirut--History.
Harvard subject headings:
Beirut (Lebanon)--Pictorial works.
Photography--Lebanon--Beirut--History--19th century.
Photography--Lebanon--Beirut--History--20th century.
Photography--Lebanon--Beirut.
Princeton subject headings:
Beirut (Lebanon)--Pictorial works.
Photography--Lebanon--Beirut--History.