Columbia subject headings:
Ireland--History--1603-1625.
Ireland--History--1625-1649.
Ireland--History--16th century.
Harvard subject headings:
British--Ireland--History--16th century
British--Ireland--History--17th century
Ireland--History--16th century.
Ireland--History--17th century.
Political violence--Ireland--History.
Violence--Ireland--History.
Princeton subject headings:
Ireland--History--16th century.