Columbia subject headings:
Belgium--History--German occupation, 1940-1945.
Man, Hendrik de, 1885-1953.
World War, 1939-1945--Belgium.
Harvard subject headings:
Belgium--History--German occupation, 1940-1945.
Léopold III, King of the Belgians, 1901-
Man, Hendrik de, 1885-1953
World War, 1939-1945--Belgium.
Princeton subject headings:
Belgium--History--German occupation, 1940-1945--Sources.
Léopold III, King of the Belgians, 1901-1983.
Man, Hendrik de, 1885-1953.
World War, 1939-1945--Belgium--Sources.