Columbia subject headings:
Harvard subject headings:
Extradition--Italy--Sardinia--History--19th century.
Italy--History--Revolution of 1848--Refugees.
Liguria (Italy)--Emigration and immigration--History--19th century.
Political refugees--Italy--Genoa--History--19th century.
Political refugees--Italy--Liguria--History--19th century.
Sardinia (Italy)--Emigration and immigration--Government policy--History--19th century.
Princeton subject headings:
Genoa (Italy)--History--1815-
Liguria (Italy)--History.
Political refugees--Italy--Genoa.
Political refugees--Italy--Liguria.