Columbia subject headings:
Aragon (Spain)--Church history--15th century.
Catholic Church--Spain--Aragon--History--15th century.
Councils and synods, Provincial--Spain--Aragon--15th century.
Councils and synods--Spain--Aragon--15th century.
Harvard subject headings:
Council of Lerida (1418)
Council of Tarragona (1424)
Council of Tortosa (1429)
Councils and synods--Spain--History.
Spain--Church history--15th century.
Princeton subject headings:
Aragon (Spain)--Church history--15th century.
Catholic Church--Spain--Aragon--History--15th century.
Councils and synods, Provincial--Spain--Aragon--15th century.
Councils and synods--Spain--Aragon--15th century.