Columbia subject headings:
Geneva (Switzerland)--Foreign relations--Italy--Sardinia.
Sardinia (Italy)--Foreign relations--Switzerland--Geneva.
Harvard subject headings:
Geneva (Switzerland)--Foreign relations--Italy--Sardinia.
Sardinia (Italy)--Foreign relations--Switzerland--Geneva.
Princeton subject headings:
Geneva (Switzerland)--Foreign relations--Italy--Sardinia.
Sardinia (Italy)--Foreign relations--Switzerland--Geneva.