Columbia subject headings:
Harvard subject headings:
Champagne-Ardenne (France)--History--20th century.
Social movements--France--Champagne-Ardenne--History.
Viticulture--France--Champagne-Ardenne.
Princeton subject headings:
Champagne-Ardenne (France)--History--20th century.
Social movements--France--Champagne-Ardenne--History--20th century.
Viticulture--France--Champagne-Ardenne--History--20th century.