Columbia subject headings:
Amsterdam (Netherlands)--History--20th century.
World War, 1939-1945--Netherlands--Amsterdam.
World War, 1939-1945--Underground literature--Netherlands--Amsterdam.
Harvard subject headings:
Amsterdam (Netherlands)--History.
World War, 1939-1945--Netherlands--Amsterdam.
World War, 1939-1945--Underground literature--Netherlands--Amsterdam.
Princeton subject headings: