Columbia subject headings:
Art historians--Italy--Correspondence.
Art restorers--Italy--Correspondence.
Longhi, Roberto, 1890-1970--Correspondence.
Pellicioli, Mauro, 1887-1974--Correspondence.
Harvard subject headings:
Art historians--Italy--Correspondence.
Art restorers--Italy--Correspondence.
Longhi, Roberto, 1890-1970--Correspondence.
Pellicioli, Mauro, 1887-1974--Correspondence.
Princeton subject headings:
Art historians--Italy--Correspondence.
Art restorers--Italy--Correspondence.
Longhi, Roberto, 1890-1970--Correspondence.
Pellicioli, Mauro, 1887-1974--Correspondence.