Columbia subject headings:
Armada, 1588.
Treasure troves--Northern Ireland.
Harvard subject headings:
Armada, 1588--Exhibitions.
Armada, 1588.
Shipwrecks--Northern Ireland--Exhibitions.
Spain--Antiquities--Exhibitions.
Treasure troves--Northern Ireland.
Treasure-troves--Northern Ireland--Exhibitions.
Princeton subject headings:
Armada, 1588--Exhibitions.
Shipwrecks--Northern Ireland--Exhibitions.
Spain--Antiquities--Exhibitions.
Treasure troves--Northern Ireland--Exhibitions.