Columbia subject headings:
Belgium--History--1914-
Belgium--Kings and rulers--Biography.
Léopold III, King of the Belgians, 1901-1983.
Harvard subject headings:
Belgium--History--1914-
Belgium--Kings and rulers--Biography.
Léopold III, King of the Belgians, 1901-
World War, 1939-1945--Belgium--Biography.
Princeton subject headings:
Belgium--History--1914-
Belgium--Kings and rulers--Biography.
Léopold III, King of the Belgians, 1901-1983.