Columbia subject headings:
Harvard subject headings:
Dithmarschen (Germany)--History.
Nordfriesland (Germany)--History.
World War, 1939-1945--Germany--Dithmarschen.
World War, 1939-1945--Germany--Nordfriesland.
Princeton subject headings:
Dithmarschen (Germany)--History.
Nordfriesland (Germany)--History.
World War, 1939-1945--Germany--Dithmarschen.
World War, 1939-1945--Germany--Nordfriesland.