Columbia subject headings:
Nationalism--Switzerland--History--20th century.
Switzerland--History--20th century.
Ticino (Switzerland)--History--20th century.
Harvard subject headings:
Nationalism--Switzerland--History--20th century.
Switzerland--History--20th century.
Ticino (Switzerland)--History--20th century.
Princeton subject headings:
Nationalism--Switzerland--History--20th century.
Switzerland--History--20th century.
Ticino (Switzerland)--History--20th century.