Columbia subject headings:
Art, Italian--Italy--Lombardy--Congresses.
Art, Lombard--Italy--Lombardy--Congresses.
Art, Medieval--Italy--Lombardy--Congresses.
Art, Renaissance--Italy--Lombardy--Congresses.
Dell'Acqua, Gian Alberto, 1909-
Harvard subject headings:
Art, Italian--Italy--Lombardy--Congresses.
Art, Lombard--Italy--Lombardy--Congresses.
Art, Medieval--Italy--Lombardy--Congresses.
Art, Renaissance--Italy--Lombardy--Congresses.
Dell'Acqua, Gian Alberto, 1909-
Princeton subject headings:
Art, Italian--Italy--Lombardy--Congresses.
Art, Lombard--Italy--Lombardy--Congresses.
Art, Medieval--Italy--Lombardy--Congresses.
Art, Renaissance--Italy--Lombardy--Congresses.
Dell'Acqua, Gian Alberto, 1909-