Columbia subject headings:
Harvard subject headings:
Austria--Kings and rulers--Heraldry.
Germany--Kings and rulers--Heraldry.
Heraldry--Austria--History--To 1500--Sources.
Heraldry--Germany--History--To 1500--Sources.
Knights and knighthood--Austria--History--To 1500.
Knights and knighthood--Germany--History--To 1500.
Princeton subject headings:
Austria--Kings and rulers--Heraldry.
Germany--Kings and rulers--Heraldry.
Heraldry--Austria--History--To 1500--Sources.
Heraldry--Germany--History--To 1500--Sources.
Knights and knighthood--Austria--History--To 1500.
Knights and knighthood--Germany--History--To 1500.