Columbia subject headings:
Harvard subject headings:
Boyle family.
Northern Ireland--History--18th century--Sources.
Shannon, Henry Boyle, Earl of, 1771-1842.
Princeton subject headings:
Boyle, Henry, Viscount, 1771-1842.
Ireland--History--1760-1820--Sources.
Shannon, Richard Boyle, Earl of, 1728-1807.