Columbia subject headings:
Harvard subject headings:
Farmhouses--France--Lorraine--History.
Farmhouses--Germany--Saarland--History.
Human settlements--France--Lorraine--History.
Human settlemnts--Germany--Saarland--History.
Rural renewal--France--Lorraine--History.
Rural renewal--Germany--Saarland--History.
Villages--France--Lorraine--History.
Villages--Germany--Saarland--History.
Princeton subject headings:
France--Description and travel.
Germany--Description and travel.
Housing--France--Lorraine.
Housing--Germany--Saarland.
Villages--France--Lorraine.
Villages--Germany--Saarland.