Columbia subject headings:
Education--Italy--History--19th century.
Education--Italy--Papal States--History--19th century--Sources.
Education--Italy--Papal States--History--19th century.
Harvard subject headings:
Education--Italy--History--19th century
Education--Italy--Papal States--History--19th century--Sources.
Education--Italy--Papal States--History--19th century.
Princeton subject headings:
Education--Italy--History--19th century.
Education--Papal States--History--19th century--Sources.
Education--Papal States--History--19th century.