Columbia subject headings:
Authors, Italian--Autographs--Congresses.
Autographs--Italy--History--Congresses.
Harvard subject headings:
Authors, Italian--Autographs--Congresses.
Autographs--Italy--History--Congresses.
Marginalia--Italy--History--Congresses.
Princeton subject headings:
Authors, Italian--Autographs--Congresses.
Autographs--Italy--History--Congresses.