Columbia subject headings:
Harvard subject headings:
Athens (Greece)--Pictorial works.
Athens Metropolitan Area (Greece)--Pictorial works.
Piraeus (Greece)--Pictorial works.
Piraeus Metropolitan Area (Greece)--Pictorial works.
Princeton subject headings:
Athens (Greece)--Pictorial works.
Athens Metropolitan Area (Greece)--Pictorial works.
Piraeus (Greece)--Pictorial works.
Piraeus Metropolitan Area (Greece)--Pictorial works.