Columbia subject headings:
Harvard subject headings:
Istria (Croatia and Slovenia)--History.
Italians--Istria (Croatia and Slovenia)
Italy--History--1870-1914.
Piran (Slovenia)--History.
Princeton subject headings:
Austria--Foreign relations--1867-1918.
Austria--Foreign relations--Italy.
Crispi, Francesco, 1818-1901.
Irredentism--Italy--History--19th century.
Istria (Croatia and Slovenia)--History.
Italy--Foreign relations--1870-1914.
Italy--Foreign relations--Austria.