Columbia subject headings:
Germany--History--18th century--Congresses.
Germany--Politics and government--18th century--Congresses.
Great Britain--History--18th century--Congresses.
Great Britain--Politics and government--18th century--Congresses.
Harvard subject headings:
Germany--History--18th century--Congresses.
Germany--Politics and government--18th century--Congresses.
Great Britain--History--18th century--Congresses.
Great Britain--Politics and government--18th century--Congresses.
Princeton subject headings:
Germany--History--18th century--Congresses.
Germany--Politics and government--18th century--Congresses.
Great Britain--History--18th century--Congresses.
Great Britain--Politics and government--18th century--Congresses.