Columbia subject headings:
Child welfare--Italy--Milan--History--19th century--Congresses.
Foundlings--Italy--Milan--History--19th century--Congresses.
Orphanages--Italy--Milan--History--19th century--Congresses.
Orphans--Italy--Milan--History--19th century--Congresses.
Harvard subject headings:
Child welfare--Italy--Milan--History--19th century--Congresses.
Foundlings--Italy--Milan--History--19th century--Congresses.
Orphanages--Italy--Milan--History--19th century--Congresses.
Orphans--Italy--Milan--History--19th century--Congresses.
Princeton subject headings:
Child welfare--Italy--Milan--History--19th century--Congresses.
Foundlings--Italy--Milan--History--19th century--Congresses.
Orphanages--Italy--Milan--History--19th century--Congresses.
Orphans--Italy--Milan--History--19th century--Congresses.