Columbia subject headings:
Ireland--History--English Conquest, 1166-1186.
Ireland--History--To 1172.
Normans--Ireland--History--To 1500.
Pembroke, Richard de Clare, Earl of, 1135?-1176.
Harvard subject headings:
Ireland--History--To 1172.
Normans--Ireland--History--To 1500.
Pembroke, Richard de Clare, Earl of, 1135?-1176.
Princeton subject headings: