Columbia subject headings:
Harvard subject headings:
Alps, Swiss (Switzerland)--Economic conditions.
Alps, Swiss (Switzerland)--Social conditions.
Economic development--Switzerland--Alps, Swiss--History.
Regional planning--Switzerland--Alps, Swiss--History.
Tourism--Switzerland--Alps, Swiss--History.
Princeton subject headings:
Alps, Swiss (Switzerland)--Economic conditions.
Alps, Swiss (Switzerland)--Social conditions.
Economic development--Switzerland--Alps, Swiss--History.
Regional planning--Switzerland--Alps, Swiss--History.
Tourism--Switzerland--Alps, Swiss--History.