Columbia subject headings:
Church and state--Catholic Church.
Germany--History--To 1517.
Historiography.
Middle Ages.
Nobility--France.
Nobility--Germany.
Harvard subject headings:
Church and state--Catholic Church
Princeton subject headings:
Church and state--Catholic Church.
Germany--History--To 1517.
Historiography.
Middle Ages.
Nobility--France.
Nobility--Germany.