Columbia subject headings:
Harvard subject headings:
Agriculture--Economic aspects--Switzerland--Engadine--History.
Engadine (Switzerland)--Rural conditions.
Engadine (Switzerland)--Social conditions.
Hill farming--Switzerland--Engadine--History.
Princeton subject headings:
Agriculture--Economic aspects--Switzerland--Engadine--History.
Engadine (Switzerland)--Rural conditions.
Engadine (Switzerland)--Social conditions.
Hill farming--Switzerland--Engadine--History.