Columbia subject headings:
Coal mines and mining--Japan--Nagasaki-shi--History--Pictorial works.
Nagasaki-shi (Japan)--Social conditions--20th century--Pictorial works.
Photobooks.
Harvard subject headings:
Coal mines and mining--Japan--Nishisonogi-gun--Pictorial works.
Takashima-chō (Nishisonogi-gun, Japan)--Pictorial works.
Princeton subject headings:
Coal mines and mining--Japan--Nishisonogi-gun--Pictorial works.
Takashima-chō (Nishisonogi-gun, Japan)--Pictorial works.