Columbia subject headings:
Harvard subject headings:
Civil rights workers--Japan--Biography
Copper industry and trade--Environmental aspects--Japan--Watarase River Watershed--History.
Environmental policy--Japan--Watarase River Watershed--History.
Tanaka, Shōzō, 1841-1913.
Watarase River Watershed (Japan)--History.
Princeton subject headings:
Civil rights workers--Japan--Biography.
Copper industry and trade--Environmental aspects--Japan--Watarase River Watershed--History.
Environmental policy--Japan--Watarase River Watershed--History.
Tanaka, Shōzō, 1841-1913.
Watarase River Watershed (Japan)--History.