Columbia subject headings:
Italy--History--1922-1945--Underground literature.
Underground press publications--Italy.
World War, 1939-1945--Underground literature.
Harvard subject headings:
Italy--History--1922-1945--Underground literature.
Underground press publications--Italy.
World War, 1939-1945--Underground literature.
Princeton subject headings:
Italy--History--1922-1945--Underground literature.
Underground press publications--Italy.
World War, 1939-1945--Underground literature.