Columbia subject headings:
Europe--Rural conditions.
Farm life--Europe--History.
Livestock--Europe--History.
Mountain life--Europe--History.
Harvard subject headings:
Europe--Rural conditions.
Farm life--Europe--History.
Livestock--Europe--History.
Mountain life--Europe--History.
Princeton subject headings:
Europe--Rural conditions--Congresses.
Europe--Rural conditions.
Farm life--Europe--History.
Livestock--Europe--History.
Mountain life--Europe--Congresses.
Mountain life--Europe--History.