Columbia subject headings:
Delftware--Ireland--History.
Delftware--Northern Ireland--History.
Pottery industry--Ireland--History.
Pottery industry--Northern Ireland--History.
Harvard subject headings:
Delftware--Ireland--History.
Delftware--Northern Ireland--History.
Pottery industry--Ireland--History.
Pottery industry--Northern Ireland--History.
Pottery, Irish.
Princeton subject headings:
Delftware--Ireland--History.
Delftware--Northern Ireland--History.
Pottery industry--Ireland--History.
Pottery industry--Northern Ireland--History.
Pottery, Irish.