Columbia subject headings:
Harvard subject headings:
Aragon (Spain)--Ethnic relations--Sources.
Civilization, Medieval--Jewish influences--Sources--Abstracts.
Fernando I, King of Aragon, 1379-1416--Relations with Jews.
Jews--Spain--Aragon--History--To 1500--Sources.
Jews--Spain--Tortosa--History--Sources--Abstracts.
Spain--History--711-1516--Sources--Abstracts.
Tortosa (Spain)--Ethnic relations--Sources--Abstracts.
Tortosa Disputation, Tortosa, Spain, 1413-1414--Sources.
Princeton subject headings:
Civilization, Medieval--Jewish influences--Sources--Abstracts.
Jews--Spain--Tortosa--History--Sources--Abstracts.
Spain--History--711-1516--Sources--Abstracts.
Tortosa (Spain)--Ethnic relations--Sources--Abstracts.