Columbia subject headings:
Blanche, of Castile, Queen, consort of Louis VIII, King of France, 1188-1252.
Harvard subject headings:
Blanche, of Castile, Queen, consort of Louis VIII, King of France, 1188-1252.
Princeton subject headings:
Blanche, of Castile, Queen, consort of Louis VIII, King of France, 1188-1252.