Columbia subject headings:
Harvard subject headings:
Foundlings--Italy--Pisa--History--19th century.
Foundlings--Services for--Italy--Pisa--History--19th century.
Princeton subject headings:
Abandoned children--Italy--Pisa--History--19th century.
Abandoned children--Italy--Pisa--Social conditions.
Hospitals--Italy--Pisa--History--19th century.