Columbia subject headings:
World War, 1939-1945--Secret service--Italy.
World War, 1939-1945--Underground movements--Italy.
Harvard subject headings:
World War, 1939-1945--Secret service--Italy.
World War, 1939-1945--Underground movements--Italy.
Princeton subject headings:
Anti-Nazi movement--Italy.
Secret service--Italy.
Spies--Italy--Biography.
World War, 1939-1945--Underground movements--Italy.