Columbia subject headings:
Cost and standard of living--France--History--Congresses.
Cost and standard of living--Spain--History--Congresses.
France--Economic conditions--Congresses.
Gayot, Gérard.
Spain--Economic conditions--Congresses.
Harvard subject headings:
Cost and standard of living--France--History--Congresses.
Cost and standard of living--Spain--History--Congresses.
France--Economic conditions--Congresses.
Gayot, Gerard, 1941-2009.
Spain--Economic conditions--Congresses.
Princeton subject headings:
Cost and standard of living--France--History--Congresses.
Cost and standard of living--Spain--History--Congresses.
France--Economic conditions--Congresses.
Gayot, Gérard.
Spain--Economic conditions--Congresses.