Columbia subject headings:
Alps, Western--Economic conditions.
Alps, Western--Population--History.
Alps, Western--Social conditions.
Human ecology--Alps, Western--History.
Harvard subject headings:
Alps, Western--Economic conditions.
Alps, Western--Population--History.
Alps, Western--Social conditions.
Human ecology--Alps, Western--History.
Princeton subject headings:
Alps, Western--Economic conditions.
Alps, Western--Population--History.
Alps, Western--Social conditions.
Human ecology--Alps, Western--History.