Columbia subject headings:
Conference on Security and Cooperation in Europe (Organization)--History--20th century.
Neutrality--Switzerland.
Switzerland--Foreign relations--1945-
Switzerland--History--20th century.
Harvard subject headings:
Conference on Security and Cooperation in Europe (Organization)--History--20th century.
Neutrality--Switzerland.
Switzerland--Foreign relations--1945-
Switzerland--History--20th century.
Princeton subject headings:
Conference on Security and Cooperation in Europe (Organization)--History--20th century.
Neutrality--Switzerland.
Switzerland--Foreign relations--1945-
Switzerland--History--20th century.