Columbia subject headings:
Jews--Spain--Tortosa--History--Sources--Abstracts.
Spain--History--711-1516--Sources--Abstracts.
Tortosa (Spain)--Ethnic relations--Sources--Abstracts.
Harvard subject headings:
Jews--Spain--Tortosa--History--Sources--Abstracts.
Spain--History--711-1516--Sources--Abstracts.
Tortosa (Spain)--Ethnic relations--Sources--Abstracts.
Princeton subject headings:
Jews--Spain--Tortosa--History--Sources.
Tortosa (Spain)--Ethnic relations--Sources.
Tortosa (Spain)--History--Sources.