Columbia subject headings:
Netherlands--History--German occupation, 1940-1945.
Noordoostpolder (Netherlands)--History.
World War, 1939-1945--Netherlands--Noordoostpolder.
Harvard subject headings:
Netherlands--History--German occupation, 1940-1945.
Noordoostpolder (Netherlands)--History.
World War, 1939-1945--Netherlands--Noordoostpolder.
Princeton subject headings: