Columbia subject headings:
Harvard subject headings:
Europe--History.
Iron Crown of Lombardy--History.
Monza (Italy)--History.
Princeton subject headings:
Christian antiquities--Italy--Lombardy.
Christian art and symbolism--Italy--Lombardy.
Iron Crown of Lombardy.
Lombardy (Italy)--Antiquities.
Lombardy (Italy)--History.
Regalia (Insignia)--Italy--Lombardy.