Columbia subject headings:
Harvard subject headings:
Economic development--Liechtenstein--History--20th century.
Liechtenstein--Economic conditions--20th century.
Liechtenstein--Economic policy--20th century.
Liechtenstein--Foreign economic relations.
Liechtenstein--History--20th century.
Princeton subject headings:
Liechtenstein--Economic conditions--20th century.
Liechtenstein--Foreign economic relations.
Liechtenstein--History--20th century.