Columbia subject headings:
Harvard subject headings:
Italy--History--Allied occupation, 1943-1947--Sources.
Italy--History--German occupation, 1943-1945--Sources.
United States. Office of Strategic Services--History--Sources.
World War, 1939-1945--Italy, Central--Sources.
World War, 1939-1945--Secret service--United States--Sources.
World War, 1939-1945--Underground movements--Italy, Central--Sources.
Princeton subject headings:
United States. Office of Strategic Services
World War, 1939-1945--Secret service--Italy.
World War, 1939-1945--Secret service--United States.
World War, 1939-1945--Underground movements--Italy.