Columbia subject headings:
Political refugees--England--History--19th century.
Political refugees--Spain--History--19th century.
Spaniards--England--History--19th century.
Harvard subject headings:
Political refugees--England--History--19th century.
Political refugees--Spain--History--19th century.
Spaniards--England--History--19th century.
Princeton subject headings:
Political refugees--England--History--19th century.
Political refugees--Spain--History--19th century.
Spaniards--England--History--19th century.