Columbia subject headings:
Art historians--Italy--Biography--Congresses.
Toesca, Pietro, 1877-1962--Congresses.
Harvard subject headings:
Art historians--Italy--Congresses.
Toesca, Pietro, 1877-1962--Congresses.
Princeton subject headings:
Art historians--Italy--Congresses.
Art, Medieval--Historiography--Congresses.
Art, Medieval--Italy--Congresses.
Toesca, Pietro, 1877-1962--Congresses.