Columbia subject headings:
Dublin (Ireland)--Encyclopedias.
Dublin (Ireland)--Guidebooks.
Historic buildings--Ireland--Dublin.
Historic sites--Ireland--Dublin.
Harvard subject headings:
Dublin (Ireland)--Guidebooks.
Dublin (Ireland)--History--Encyclopedias.
Historic buildings--Ireland--Dublin.
Historic sites--Ireland--Dublin.
Princeton subject headings:
Dublin (Ireland)--Encyclopedias.