Columbia subject headings:
Authors, French--20th century--Correspondence.
Gide, André, 1869-1951--Correspondence.
Giono, Jean, 1895-1970--Correspondence.
Harvard subject headings:
Authors, French--20th century--Correspondence
Gide, André, 1869-1951. Correspondence
Giono, Jean, 1895-1970--Correspondence.
Princeton subject headings: