Columbia subject headings:
Harvard subject headings:
Germany--Foreign economic relations--Switzerland.
Italy--Foreign economic relations--Switzerland.
Switzerland--Foreign economic relations--Germany.
Switzerland--Foreign economic relations--Italy.
World War, 1939-1945--Economic aspects--Switzerland.
Princeton subject headings:
Germany--Foreign economic relations--Switzerland.
Italy--Foreign economic relations--Switzerland.
Switzerland--Foreign economic relations--Germany.
Switzerland--Foreign economic relations--Italy.
World War, 1939-1945--Economic aspects--Switzerland.