Columbia subject headings:
France--Commerce--Ireland--History--Congresses.
France--Economic conditions--Congresses.
Ireland--Commerce--France--History--Congresses.
Ireland--Economic conditions--Congresses.
Harvard subject headings:
France--Commerce--Ireland--History--Congresses.
France--Economic conditions--Congresses.
Ireland--Commerce--France--History--Congresses.
Ireland--Economic conditions--Congresses.
Princeton subject headings:
France--Commerce--Ireland--History--Congresses.
France--Economic conditions--Congresses.
Ireland--Commerce--France--History--Congresses.
Ireland--Economic conditions--Congresses.