Columbia subject headings:
Lombardy--History, Military--Sources.
Lombardy--History, Military.
United States. Office of Strategic Services.
World War, 1939-1945--Secret service--United States.
World War, 1939-1945--Underground movements--Italy--Lombardy--Sources.
World War, 1939-1945--Underground movements--Italy--Lombardy.
Harvard subject headings:
Lombardy--History, Military--Sources.
Lombardy--History, Military.
United States. Office of Strategic Services.
World War, 1939-1945--Secret service--United States.
World War, 1939-1945--Underground movements--Italy--Lombardy--Sources.
World War, 1939-1945--Underground movements--Italy--Lombardy.
Princeton subject headings:
Lombardy--History, Military--Sources.
Lombardy--History, Military.
United States. Office of Strategic Services
World War, 1939-1945--Secret services--United States.
World War, 1939-1945--Underground movements--Lombardy--Sources.
World War, 1939-1945--Underground movements--Lombardy.