Columbia subject headings:
Alfonso XI, King of Castile and Leon, 1311-1350.
Seville (Spain : Province)--History.
Seville (Spain : Province)--Politics and government.
Harvard subject headings:
Alfonso XI, King of Castile and Leon, 1311-1350
Seville (Spain : Province)--History.
Seville (Spain : Province)--Politics and government.
Princeton subject headings:
Alfonso XI, King of Castile and Leon, 1311-1350.
Seville (Spain : Province)--History.
Seville (Spain : Province)--Politics and government.