Columbia subject headings:
Arnaud, Noël--Correspondence.
Authors, French--20th century--Correspondence.
Caradec, François--Correspondence.
Harvard subject headings:
Arnaud, Noël--Correspondence.
Authors, French--20th century--Correspondence
Caradec, François--Correspondence.
Princeton subject headings:
Arnaud, Noël--Correspondence.
Authors, French--20th century--Correspondence.
Caradec, François--Correspondence.