Columbia subject headings:
England--Emigration and immigration.
Germans--England--History--19th century.
Political refugees--England--History--19th century.
Harvard subject headings:
England--Emigration and immigration--History--19th century.
Germans--England--History--19th century.
Germans--Great Britain--History--19th century.
Germany--Emigration and immigration--History--19th century.
Great Britain--Emigration and immigration--History--19th century.
Political refugees--England--History--19th century.
Political refugees--Germany--History--19th century.
Political refugees--Great Britain--History--19th century.
Princeton subject headings:
Germans--England--History--19th century.
Immigrants--England--History--19th century.
Political refugees--England--History--19th century.