Columbia subject headings:
Diplomatics--Italy--Milan.
Milan (Italy)--History--To 1535--Sources.
Milan (Italy)--Politics and government--Sources.
Harvard subject headings:
Diplomatics--Italy--Milan.
Milan (Italy)--History--To 1535--Sources.
Milan (Italy)--Politics and government--Sources.
Princeton subject headings:
Diplomatics--Italy--Milan.
Milan (Italy)--History--To 1535--Sources.
Milan (Italy)--Politics and government--Sources.