Columbia subject headings:
Saxony (Germany)--History--To 1423.
Saxony (Germany)--Social conditions.
Harvard subject headings:
Guelf, House of.
Ministerials--Germany--Saxony.
Ministerials.
Nobility--Germany--Saxony.
Saxony (Germany)--Court and courtiers
Saxony (Germany)--History--To 1423.
Saxony (Germany)--Social conditions.
Princeton subject headings:
Civilization, Medieval--12th century.
Civilization, Medieval--13th century.
Guelf, House of.
Ministerials--Germany--Saxony.
Nobility--Germany--Saxony.
Saxony (Germany)--Court and courtiers.
Saxony (Germany)--History--To 1423.
Saxony (Germany)--Social conditions.