Columbia subject headings:
Harvard subject headings:
Italy. Regio Esercito--Maneuvers--History--19th century.
Romagna (Italy)--Politics and government.
Umberto I, King of Italy, 1844-1900--Travel--Italy--Romagna.
Umberto I, King of Italy, 1844-1900.
Princeton subject headings:
Romagna (Italy)--Politics and government.
Umberto I, King of Italy, 1844-1900.