Columbia subject headings:
Architecture--Switzerland--Ticino--History--20th century.
Architecture--Switzerland--Ticino.
Harvard subject headings:
Architecture, Modern--20th century--Switzerland--Ticino.
Architecture, Modern--21st century
Architecture--Switzerland--Ticino.
Princeton subject headings:
Architecture, Modern--20th century--Switzerland--Ticino.
Architecture--Switzerland--Ticino.