Columbia subject headings:
Germany--History--1517-1648--Congresses.
Germany--History--To 1517--Congresses.
Germany--Politics and government--1517-1648--Congresses.
Germany--Politics and government--To 1517--Congresses.
Nobility--Germany--Congresses.
Harvard subject headings:
Germany--History--1517-1648--Congresses.
Germany--History--To 1517--Congresses.
Germany--Politics and government--1517-1648--Congresses.
Germany--Politics and government--To 1517--Congresses.
Nobility--Germany--Congresses.
Princeton subject headings:
Germany--History--1517-1648--Congresses.
Germany--History--To 1517--Congresses.
Germany--Politics and government--1517-1648--Congresses.
Germany--Politics and government--To 1517--Congresses.
Nobility--Germany--History--Congresses.