Columbia subject headings:
Harvard subject headings:
Champagne-Ardenne (France)--History, Military.
Champagne-Ardenne (France)--Maps, Military.
Champagne-Ardenne (France)--Military history, Modern--Maps.
Military topography--France--Champagne-Ardenne.
Princeton subject headings:
Champagne-Ardenne (France)--History, Military.
Champagne-Ardenne (France)--Maps, Military.
Military topography--France--Champagne-Ardenne.