Columbia subject headings:
Harvard subject headings:
Nord-Pas-de-Calais (France)--History.
World War, 1939-1945--Belgium.
World War, 1939-1945--France--Nord-Pas-de-Calais.
Princeton subject headings:
Belgium--History--German occupation, 1940-1945.
France--History--German occupation, 1940-1945.
Nord-Pas-de-Calais (France)--History.
World War, 1939-1945--France--Nord-Pas-de-Calais.