Columbia subject headings:
Harvard subject headings:
Germans--Great Britain--History--Congresses.
Germany--Emigration and immigration--History--Congresses.
Great Britain--Civilization--German influences--Congresses.
Great Britain--Emigration and immigration--History--Congresses.
Princeton subject headings:
Germans--Great Britain--History--Congresses.
Germany--Emigration and immigration--History--Congresses.
Great Britain--Civilization--German influences--Congresses.
Great Britain--Emigration and immigration--History--Congresses.