Columbia subject headings:
Harvard subject headings:
Austria--History--1273-1519--Congresses.
Coronations--Austria--History--Congresses.
Coronations--Germany--History--Congresses.
Frederick III, Duke of Austria, 1286-1330--Coronation--Congresses.
Germany--History--1273-1517--Congresses.
Germany--History--Ludwig IV, 1314-1347--Congresses.
Ludwig IV, Holy Roman Emperor, 1282?-1347--Coronation--Congresses.
Princeton subject headings:
Frederick III, Duke of Austria, 1286-1330--Congresses.
Ludwig IV, Holy Roman Emperor, 1282?-1347--Congresses.