Columbia subject headings:
Harvard subject headings:
Germany--Foreign economic relations--Switzerland.
Germany--Relations--Switzerland.
Switzerland--Foreign economic relations--Germany.
Switzerland--Relations--Germany.
World War, 1939-1945--Switzerland.
Princeton subject headings:
Germany--Foreign economic relations--Switzerland.
Switzerland--Economic conditions--1918-1945.
Switzerland--Foreign economic relations--Germany.
Switzerland--History--20th century.
World War, 1939-1945--Switzerland.