Columbia subject headings:
Harvard subject headings:
Belgium--History--Leopold II, 1865-1909.
Belgium--Kings and rulers--Biography.
Léopold II, King of the Belgians, 1835-1909.
Princeton subject headings:
Belgium--History--Leopold II, 1865-1901.
Belgium--Kings and rulers--Biography.
Léopold II, King of the Belgians, 1835-1909.