Columbia subject headings:
Authors, French--19th century--Correspondence.
Barrès, Maurice, 1862-1923--Correspondence.
Verlaine, Paul, 1844-1896--Correspondence.
Harvard subject headings:
Authors, French--19th century--Correspondence
Barrès, Maurice, 1862-1923--Correspondence.
Verlaine, Paul, 1844-1896. Correspondence
Princeton subject headings:
Authors, French--19th century--Correspondence.
Barrès, Maurice, 1862-1923--Correspondence.
Verlaine, Paul, 1844-1896. Correspondence.