Columbia subject headings:
Agriculture--France--Quercy--History.
Quercy (France)--Economic conditions.
Quercy (France)--Social conditions.
Harvard subject headings:
Agriculture--France--Quercy--History.
Quercy (France)--Economic conditions.
Quercy (France)--Social conditions.
Princeton subject headings:
Agriculture--France--Quercy--History.
Quercy (France)--Economic conditions.
Quercy (France)--Social conditions.