Columbia subject headings:
Greece--History--1849-1870.
Greece--Relations--Italy.
Italy--History--1849-1870.
Italy--Relations--Greece.
Harvard subject headings:
Greece--History--Otho I, 1832-1862.
Greece--Relations--Italy.
Italy--History--1849-1870.
Italy--Relations--Greece.
Princeton subject headings:
Greece--History--Otho I, 1832-1862.
Greece--Relations--Italy.
Italy--History--1849-1870.
Italy--Relations--Greece.