Columbia subject headings:
Art--Italy--Milan--Exhibitions.
Charities--Italy--Milan--History--19th century--Exhibitions.
Orphanages--Italy--Milan--History--19th century--Exhibitions.
Harvard subject headings:
Princeton subject headings:
Art, Italian--Italy--Milan--19th century--Exhibitions.
Art, Italian--Italy--Milan--20th century--Exhibitions.
Older people--Italy--Milan--Social conditions.
Pio Albergo Trivulzio--Exhibitions.