Columbia subject headings:
Harvard subject headings:
Customary law--Germany--Eisenach.
Germany--History--To 1517.
Holy Roman Empire--History--To 1517.
Law--Germany (Middle Ages)--Sources.
Law--Germany--Eisenach--Sources.
Law--Germany--History--Sources.
Law--Holy Roman Empire--History--Sources.
Law--Holy Roman Empire--Sources.
Princeton subject headings:
Law--Germany (Middle Ages).