Columbia subject headings:
Harvard subject headings:
Israel--Foreign relations--Spain--Congresses.
Jews--Spain--History--Congresses.
Spain--Ethnic relations--Congresses.
Spain--Foreign relations--Israel--Congresses.
Princeton subject headings:
Jews--Spain--Congresses.
Judaism--Relations--Christianity--Congresses.
Sephardim--Congresses.
Spain--Relations--Israel--Congresses.