Columbia subject headings:
Artists--France--Correspondence.
Chaissac, Gaston, 1910-1964--Correspondence.
Dubuffet, Jean, 1901-1985--Correspondence.
Harvard subject headings:
Artists--France--Correspondence.
Chaissac, Gaston, 1910-1964--Correspondence.
Dubuffet, Jean, 1901-1985--Correspondence.
Princeton subject headings: