Columbia subject headings:
Basilica di San Lorenzo (Milan, Italy)--History--Sources.
Manuscripts, Medieval--Italy--Milan.
Milan (Italy)--Church history--Sources.
Milan (Italy)--History--To 1535--Sources.
Harvard subject headings:
Archivio di Stato di Milano.
Basilica di San Lorenzo (Milan, Italy)--History--Sources.
Manuscripts, Latin (Medieval and modern)--Italy--Milan.
Milan (Italy)--Church history--Sources.
Princeton subject headings: