Columbia subject headings:
Jews--Spain--History--Congresses.
Spain--History--711-1516--Congresses.
Harvard subject headings:
Jews--Spain--History--Congresses.
Sephardim--History--Congresses
Spain--Ethnic relations--Congresses.
Princeton subject headings:
Jews--Spain--History--Congresses.
Spain--History--711-1516--Congresses.