Columbia subject headings:
Authors, French--20th century--Correspondence.
Authors, French--21st century--Correspondence.
Berthet, Frédéric, 1954-2003--Correspondence.
Harvard subject headings:
Berthet, Frédéric, 1954-2003--Correspondence.
Princeton subject headings:
Berthet, Frédéric, 1954-2003--Correspondence.