Columbia subject headings:
Actors--Italy--Correspondence.
Authors, Italian--19th century--Correspondence.
Authors, Italian--20th century--Correspondence.
Duse, Eleonora, 1858-1924--Correspondence.
Serao, Matilde, 1856-1927--Correspondence.
Harvard subject headings:
Duse, Eleonora, 1858-1924--Correspondence.
Novelists, Italian--Correspondence.
Serao, Matilde, 1856-1927--Correspondence.
Princeton subject headings:
Duse, Eleonora, 1858-1924--Correspondence.
Serao, Matilde, 1856-1927--Correspondence.