Columbia subject headings:
Harvard subject headings:
Germany--History--1273-1517--Congresses.
Germany--Kings and rulers--Biography--Congresses.
Habsburg, House of--Congresses.
Holy Roman Empire--History--1273-1517--Congresses.
Rudolf I, King of Germany, 1218-1291--Congresses.
Princeton subject headings:
Germany--History--1273-1517--Congresses.
Germany--Kings and rulers--Biography--Congresses.
Habsburg, House of--Congresses.
Holy Roman Empire--History--1273-1517--Congresses.
Rudolf I, King of Germany, 1218-1291--Congresses.