Columbia subject headings:
Authors, Italian--20th century--Correspondence.
Brazzoduro, Gino--Correspondence.
Marin, Biagio--Correspondence.
Harvard subject headings:
Authors, Italian--20th century--Correspondence
Brazzoduro, Gino--Correspondence.
Marin, Biagio--Correspondence.
Princeton subject headings:
Authors, Italian--20th century--Correspondence.
Brazzoduro, Gino--Correspondence.
Marin, Biagio--Correspondence.