Columbia subject headings:
Harvard subject headings:
Soldiers--France--Ardèche--Correspondence.
World War, 1914-1918--France--Ardèche.
World War, 1914-1918--Personal narratives, French
Princeton subject headings:
Soldiers--France--Ardèche--Correspondence.
World War, 1914-1918--France--Ardèche.
World War, 1914-1918--Personal narratives, French.