Columbia subject headings:
Harvard subject headings:
France. Armée--Officers--Correspondence.
Military art and science--History--20th century
Soldiers--France--Correspondence
Tactics--History--20th century.
World War, 1914-1918--Personal narratives, French
Princeton subject headings:
France. Armée--Officers--Correspondence.
Military art and science--History--20th century.
Soldiers--France--Correspondence.
Tactics--History--20th century.
World War, 1914-1918--Personal narratives, French.