Columbia subject headings:
Painters--Italy--Correspondence.
Tosi, Arturo, 1871-1956--Correspondence.
Harvard subject headings:
Painters--Italy--Correspondence.
Tosi, Arturo, 1871-1956--Correspondence.
Princeton subject headings:
Painters--Italy--Correspondence.
Tosi, Arturo, 1871-1956--Correspondence.