Columbia subject headings:
Architects--Switzerland.
Architecture--Conservation and restoration--Switzerland--Thurgau.
Architecture--Switzerland--Thurgau--History--19th century.
Architecture--Switzerland--Thurgau--History--20th century.
Brenner family.
Harvard subject headings:
Architecture--Conservation and restoration--Switzerland--Thurgau.
Architecture--Switzerland--Thurgau--19th century.
Architecture--Switzerland--Thurgau--20th century.
Brenner family.
Princeton subject headings: