Columbia subject headings:
Harvard subject headings:
Nagasaki-ken (Japan)--History.
Nagasaki-ken (Japan)--In art.
Postcards--Japan.
Postcards--Private collections--Japan.
Princeton subject headings:
Nagasaki-ken (Japan)--History--Pictorial works.
Nagasaki-ken (Japan)--In art--Pictorial works.
Postcards--Japan--Pictorial works.
Postcards--Private collections--Japan--Pictorial works.