Columbia subject headings:
Mantua (Italy : Province)--History.
World War, 1939-1945--Italy--Mantua (Province)
World War, 1939-1945--Underground movements--Italy--Mantua (Province)
Harvard subject headings:
Mantua (Italy)--History--Sources.
World War, 1939-1945--Underground movements--Italy--Mantua.
Princeton subject headings: