Columbia subject headings:
Anarchists--France--Correspondence.
Authors, French--19th century--Correspondence.
Authors, French--20th century--Correspondence.
Mirbeau, Octave, 1848-1917--Correspondence.
Saint-Pol-Roux, 1861-1940--Correspondence.
Harvard subject headings:
Princeton subject headings:
Mirbeau, Octave, 1848-1917--Correspondence.
Saint-Pol-Roux, 1861-1940--Correspondence.