Columbia subject headings:
Ciccotti, Ettore, 1863-1939.
Historians--Italy--Biography.
Italy--Politics and government--1870-1914.
Italy--Politics and government--1914-1945.
Socialists--Italy--Biography.
Harvard subject headings:
Ciccotti, Ettore, 1863-1939
Ciccotti, Ettore, 1863-1939--Political and social views.
Historians--Italy--Biography
Italy--Politics and government--1870-1914.
Italy--Politics and government--1914-1945.
Italy--Politics and government--20th century.
Socialists--Italy--Biography
Princeton subject headings: