Columbia subject headings:
Castile (Spain)--History--Ferdinand IV, 1295-1312.
Castile (Spain)--History--Sancho IV, 1284-1295.
Castile (Spain)--Kings and rulers--Biography.
María, de Molina, Queen, consort of Sancho IV, King of Castile and Leon, 1265-1321.
Queens--Spain--Castile--Biography.
Harvard subject headings:
Castile (Spain)--History--Sancho IV, 1284-1295.
María, de Molina, Queen, consort of Sancho IV, King of Castile and Leon, 1265-1321.
Queens--Spain--Castile--Biography.
Princeton subject headings: