Columbia subject headings:
Harvard subject headings:
Industries--France--Jura--Congresses.
Industries--Switzerland--Jura--Congresses.
Jura (France)--Economic conditions--Congresses.
Jura (Switzerland)--Economic conditions--Congresses.
Princeton subject headings:
Industries--France--Jura--Congresses.
Industries--Switzerland--Jura--Congresses.
Jura (France)--Economic conditions--Congresses.
Jura (Switzerland)--Economic conditions--Congresses.