Columbia subject headings:
Famines--Ireland--History.
Ireland--Economic conditions.
Ireland--Rural conditions.
Poor--Ireland--History.
Harvard subject headings:
Famines--Ireland--History.
Ireland--Economic conditions.
Ireland--History--Famine, 1845-1852.
Ireland--Rural conditions.
Poor--Ireland--History.
Princeton subject headings:
Ireland--Economic conditions.
Ireland--Famines--History.
Ireland--Rural conditions.
Poor--Ireland--History.