Columbia subject headings:
Harvard subject headings:
Political parties--Switzerland--Ticino--History--19th century.
Political parties--Switzerland--Ticino--History--20th century.
Ticino (Switzerland)--Politics and government.
Princeton subject headings:
Political parties--Switzerland--Ticino--History--19th century.
Political parties--Switzerland--Ticino--History--20th century.
Ticino (Switzerland)--Politics and government.