Columbia subject headings:
Rome (Italy)--History--1870-1945.
World War, 1939-1945--Religious aspects--Catholic Church.
World War, 1939-1945--Underground movements--Italy--Rome.
Harvard subject headings:
Princeton subject headings:
Rome (Italy)--History--1870-1945.
World War, 1939-1945--Catholic Church.
World War, 1939-1945--Underground movements--Italy--Rome.