Columbia subject headings:
Harvard subject headings:
Denmark--History--1912-1947.
Denmark--History--1947-1972.
Germans--Denmark--Biography.
Refugees--Denmark--Biography.
World War, 1939-1945--Denmark.
World War, 1939-1945--Refugees.
Princeton subject headings:
Denmark--History--1912-1947.
Denmark--History--1947-1972.
Germans--Denmark--Biography.
Refugees--Denmark--Biography.
World War, 1939-1945--Denmark.
World War, 1939-1945--Refugees.