Columbia subject headings:
Authors, French--20th century--Correspondence.
Gide, André, 1869-1951--Correspondence.
Novelists, Belgian--20th century--Correspondence.
Simenon, Georges, 1903-1989--Correspondence.
Harvard subject headings:
Princeton subject headings:
Authors, French--20th century--Correspondence.
Gide, André, 1869-1951. Correspondence.
Novelists, Belgian--20th century--Correspondence.
Simenon, Georges, 1903-1989--Correspondence.