Columbia subject headings:
Artists--Italy--Correspondence.
Maritain, Jacques, 1882-1973--Correspondence.
Severini, Gino, 1883-1966--Correspondence.
Harvard subject headings:
Artists--Italy--Correspondence.
Maritain, Jacques, 1882-1973--Correspondence.
Severini, Gino, 1883-1966--Correspondence.
Princeton subject headings:
Artists--Italy--Correspondence.
Maritain, Jacques, 1882-1973--Correspondence.
Severini, Gino, 1883-1966--Correspondence.