Columbia subject headings:
Netherlands--History--1945-
Netherlands--History--German occupation, 1940-1945.
Netherlands--History--Wilhelmina, 1898-1948.
Harvard subject headings:
Netherlands--History--20th century.
Netherlands--History--German occupation, 1940-1945.
Netherlands--Politics and government--20th century.
World War, 1939-1945--Netherlands.
Princeton subject headings: