Columbia subject headings:
Authors, French--20th century--Correspondence.
Paulhan, Jean, 1884-1968--Correspondence.
Perros, Georges--Correspondence.
Harvard subject headings:
Authors, French--20th century--Correspondence
Paulhan, Jean, 1884-1968. Correspondence
Perros, Georges--Correspondence.
Princeton subject headings:
Authors, French--20th century--Correspondence.
Paulhan, Jean, 1884-1968. Correspondence.
Perros, Georges--Correspondence.