Columbia subject headings:
France--History, Military--19th century--Sources.
France--History, Military--20th century--Sources.
France--History--Third Republic, 1870-1940--Sources.
France. Armée--Officers--Correspondence.
France. Armée--Officers--History--19th century--Sources.
France. Armée--Officers--History--20th century--Sources.
Harvard subject headings:
France--History, Military--19th century.
France--History, Military--20th century.
France--History--Third Republic, 1870-1940.
France--Third Republic, 1870-1940.
France. Armée.--Correspondence.--Officers.
Princeton subject headings: