Columbia subject headings:
Authors, French--20th century--Correspondence.
Vaché, Jacques--Correspondence.
World War, 1914-1918--Personal narratives, French.
Harvard subject headings:
Authors, French--20th century--Correspondence
Breton, André, 1896-1966--Correspondence.
Vaché, Jacques--Correspondence.
Vaché, Marie-Louise--Correspondence.
World War, 1914-1918--Personal narratives, French
Princeton subject headings:
Authors, French--20th century--Correspondence.
Vaché, Jacques--Correspondence.
World War, 1914-1918--Personal narratives, French.