Columbia subject headings:
Medical tourism--Switzerland--History--19th century.
Medical tourism--Switzerland--History--20th century.
Sanatoriums--Switzerland--History--19th century.
Sanatoriums--Switzerland--History--20th century.
Sports and tourism--Switzerland--History--19th century.
Sports and tourism--Switzerland--History--20th century.
Harvard subject headings:
Health resorts--Switzerland--History--19th century.
Health resorts--Switzerland--History--20th century.
Sports and tourism--Switzerland--History--19th century.
Sports and tourism--Switzerland--History--20th century.
Tourism--Switzerland--History--19th century.
Tourism--Switzerland--History--20th century.
Princeton subject headings:
Health resorts--Switzerland--History--19th century.
Health resorts--Switzerland--History--20th century.
Sports and tourism--Switzerland--History--19th century.
Sports and tourism--Switzerland--History--20th century.
Tourism--Switzerland--History--19th century.
Tourism--Switzerland--History--20th century.