Columbia subject headings:
Jews--Portugal--History--Congresses.
Jews--Spain--Tudela--History--Congresses.
Harvard subject headings:
Jews--Portugal--History--Congresses.
Jews--Spain--Tudela--History--Congresses.
Princeton subject headings:
Jewish diaspora--History--Congresses.
Jews--Europe--History--Congresses.
Jews--Migrations--History--Congresses.
Jews--Spain--History--Congresses.