Columbia subject headings:
Harvard subject headings:
Drought relief--Japan--Tohoku Region--History--Sources.
Famines--Japan--Tohoku Region--History--Sources.
Tōhoku Region (Japan)--Economic policy--Sources.
Princeton subject headings:
Drought relief--Japan--Tohoku Region--History--Sources.
Famines--Japan--Tohoku Region--History--Sources.
Tōhoku Region (Japan)--Economic policy--Sources.