Columbia subject headings:
Harvard subject headings:
Crown lands--Austria--History--To 1500.
Crown lands--Austria--Lower Austria--History--To 1500.
Duchies--Austria--History--To 1500.
Duchies--Austria--Lower Austria--History--To 1500.
Monarchy--Austria--History--To 1500.
Monarchy--Austria--Lower Austria--History--To 1500.
Princeton subject headings:
Crown lands--Austria--History--To 1500.
Crown lands--Austria--Lower Austria--History--To 1500.
Duchies--Austria--History--To 1500.
Duchies--Austria--Lower Austria--History--To 1500.
Monarchy--Austria--History--To 1500.
Monarchy--Austria--Lower Austria--History--To 1500.