Columbia subject headings:
Harvard subject headings:
Germany (East)--Foreign relations--Great Britain--Congresses.
Germany--Foreign relations--Great Britain--Congresses.
Great Britain--Foreign relations--Germany (East)--Congresses.
Great Britain--Foreign relations--Germany--Congresses.
Princeton subject headings:
Germany (East)--Foreign relations--Great Britain--Congresses.
Germany--foreign relations--Great Britain--Congresses.
Great Britain--Foreign relations--Germany (East)--Congresses.
Great Britain--Foreign relations--Germany--Congresses.