Columbia subject headings:
Authors, French--20th century--Correspondence.
Barrès, Maurice, 1862-1923--Correspondence--Indexes.
Harvard subject headings:
Authors, French--20th century--Correspondence
Authors, French--20th century--Correspondence--Indexes.
Barrès, Maurice, 1862-1923--Correspondence--Indexes.
Princeton subject headings:
Authors, French--20th century--Correspondence--Indexes.
Barrès, Maurice, 1862-1923--Correspondence--Indexes.