Columbia subject headings:
Harvard subject headings:
Tanaka, Shōzō, 1841-1913.
Water--Pollution--japan--Watarase River.
Yanaka-mura (Tochigi-ken, Japan)
Princeton subject headings:
Tanaka, Shōzō, 1841-1913.
Water--Pollution--japan--Watarase River.
Yanaka-mura (Tochigi-ken, Japan)