Columbia subject headings:
Harvard subject headings:
Dentistry--Switzerland--Thurgau--History.
Dentistry--Switzerland--Thurgau--Societies, etc.--History.
Dentists--Switzerland--Thurgau--Societies, etc.--History.
Thurgauer Zahnärzte-Gesellschaft--History.
Princeton subject headings:
Dentistry--Switzerland--Thurgau--History.
Dentistry--Switzerland--Thurgau--Societies, etc.--History.
Dentists--Switzerland--Thurgau--Societies, etc.--History.
Thurgauer Zahnärzte-Gesellschaft--History.