Columbia subject headings:
Guelfs and Ghibellines.
Lombardy (Italy)--History--To 1535.
Lombardy (Italy)--Social conditions.
Milan (Italy)--History--To 1535.
Milan (Italy)--Social conditions.
Sforza family.
Visconti family.
Harvard subject headings:
Guelfs and Ghibellines
Lombardy (Italy)--History--To 1535.
Lombardy (Italy)--Social conditions.
Milan (Italy)--History--To 1535.
Milan (Italy)--Social conditions.
Sforza family.
Visconti family.
Princeton subject headings:
Cities and towns, Medieval--Italy--Lombardy.
Lombardy (Italy)--History--To 1535.
Lombardy (Italy)--Social conditions.
Nobility--Italy--Lombardy--History.