Columbia subject headings:
Harvard subject headings:
Art patronage--Italy--Milan--History--17th century.
Art--Private collections--Italy--Milan.
Borromeo family--Art collections.
Borromeo family--Art patronage.
Princeton subject headings:
Art--Collectors and collecting--Italy--Milan--History--17th century--Sources.
Borromeo family--Art collections.
Borromeo family--Art patronage.
Commercial catalogs.