Columbia subject headings:
Authors, French--20th century--Correspondence.
Gide, André, 1869-1951. Correspondence.
Noailles, Anna de, 1876-1933.
Harvard subject headings:
Authors, French--20th century--Correspondence
Gide, André, 1869-1951. Correspondence
Noailles, Anna Elisabeth de Brancovan, comtesse de, 1876-1933--Correspondence.
Princeton subject headings: