Columbia subject headings:
Harvard subject headings:
Albert I, King of the Belgians, 1875-1934.
Elisabeth, Queen, consort of Albert I, King of the Belgians, 1876-1965.
Princeton subject headings:
Albert I, King of the Belgians, 1875-1934.
Elisabeth, Queen, consort of Albert I, King of the Belgians, 1876-1965.