Columbia subject headings:
Harvard subject headings:
Environmental policy--Japan--Yanaka-mura.
Tanaka, Shōzō, 1841-1913.
Water--Pollution--Japan--Watarase River Watershed.
Princeton subject headings:
Environmental policy--Japan--Yanaka-mura.
Tanaka, Shōzō, 1841-1913.
Water--Pollution--Japan--Watarase River watershed.