Columbia subject headings:
Harvard subject headings:
Europe--History--16th century--Congresses.
Europe--History--17th century--Congresses.
Europe--History--18th century--Congresses.
Germany--History--1740-1806--Congresses.
Germany--Politics and government--1740-1806--Congresses.
Holy Roman Empire--History--1648-1804--Congresses.
Regionalism--Europe--History--17th century--Congresses.
Regionalism--Europe--History--18th century--Congresses.
Princeton subject headings:
Europe--History--16th century--Congresses.
Europe--History--17th century--Congresses.
Europe--History--18th century--Congresses.
Germany--History--1740-1806--Congresses.
Germany--Politics and government--1740-1806--Congresses.
Holy Roman Empire--History--1517-1648--Congresses.
Holy Roman Empire--History--1648-1804--Congresses.
Regionalism--Europe--History--17th century--Congresses.
Regionalism--Europe--History--18th century--Congresses.