Columbia subject headings:
Harvard subject headings:
Ireland--Economic conditions--19th century.
Ireland--Economic policy--19th century.
Ireland--History--Famine, 1845-1852.
Ireland--Social conditions--19th century.
Princeton subject headings:
Ireland--Economic conditions--19th century.
Ireland--Economic policy--19th century.
Ireland--History--Famine, 1845-1852.
Ireland--Social conditions--19th century.