Columbia subject headings:
Cities and towns, Medieval--Spain--History--Congresses.
Spain--Civilization--711-1516--Congresses.
Harvard subject headings:
Cities and towns, Medieval--Spain--History--Congresses.
Jews--Spain--History--Congresses.
Monastic and religious life--History--Middle Ages, 600-1500--Congresses.
Spain--Civilization--711-1516--Congresses.
Princeton subject headings:
Cities and towns, Medieval--Spain--History--Congresses.
Spain--Civilization--711-1516--Congresses.