Columbia subject headings:
Arts, Greek--Congresses.
Athens (Greece)--In art--Congresses.
Harvard subject headings:
Athens (Greece)--History--Pictorial works.
Greece--History--Pictorial works.
Photography--Greece--Athens--History.
Princeton subject headings:
Athens (Greece)--History--Pictorial works.
Greece--Athens--History--Pictorial works.
Photography--Greece--Athens--History.