Columbia subject headings:
Historiography--Italy--History--20th century.
Italy--Historiography.
Salvemini, Gaetano, 1873-1957.
Volpe, Gioacchino, 1876-1971.
Harvard subject headings:
Historiography--Italy--History--20th century
Italy--Historiography.
Salvemini, Gaetano, 1873-1957
Volpe, Gioacchino, 1876-1971.
Princeton subject headings:
Historiography--Italy--History--20th century.
Italy--Historiography.
Salvemini, Gaetano, 1873-1957.
Volpe, Gioacchino, 1876-1971.