Columbia subject headings:
Europe--Politics and government--476-1492--Congresses.
France--Politics and government--1328-1589--Congresses.
France--Politics and government--987-1328--Congresses.
Germany--Politics and government--1517-1648--Congresses.
Germany--Politics and government--To 1517--Congresses.
Harvard subject headings:
Europe--Politics and government--476-1492--Congresses.
France--Politics and government--1328-1589--Congresses.
France--Politics and government--987-1328--Congresses.
Germany--Politics and government--1517-1648--Congresses.
Germany--Politics and government--To 1517--Congresses.
Princeton subject headings:
Europe--History--Congresses.
Europe--Politics and government--Congresses.
Public administration--Congresses.