Columbia subject headings:
Banks and banking--France, Northern--History--19th century--Congresses.
Banks and banking--France, Northern--History--20th century--Congresses.
Business enterprises--France, Northern--History--19th century--Congresses.
Business enterprises--France, Northern--History--20th century--Congresses.
France, Northern--Economic conditions--19th century--Congresses.
France, Northern--Economic conditions--20th century--Congresses.
Harvard subject headings:
Banks and banking--France, Northern--History--19th century.
Banks and banking--France, Northern--History--20th century.
Business enterprises--France, Northern--History--19th century.
Business enterprises--France, Northern--History--20th century.
France, Northern--Economic conditions--History.
France, Northern--Economic conditions.
Princeton subject headings:
Banks and banking--France, Northern--History--19th century.
Banks and banking--France, Northern--History--20th century.
Business enterprises--France, Northern--History--19th century.
Business enterprises--France, Northern--History--20th century.
France, Northern--Economic conditions--History.