Columbia subject headings:
France--Foreign relations--Switzerland.
Free ports and zones--France--Gex.
Free ports and zones--France.
Free ports and zones--Savoy (France and Italy)
Switzerland--Foreign relations--France.
Harvard subject headings:
France--Foreign relations--Switzerland.
Gex (France)
Savoie (France)
Switzerland--Foreign relations--France.
Treaty of Versailles
Princeton subject headings:
France--Foreign relations--Switzerland.
Gex (France)
Savoie (France)
Switzerland--Foreign relations--France.
Treaty of Versailles