Columbia subject headings:
Harvard subject headings:
Law, Medieval--Congresses.
Law--Europe, Eastern--History--Congresses.
Law--Germany--History--Congresses.
Lübeck law--History--Congresses.
Magdeburg law--History--Congresses.
Princeton subject headings:
Law, Medieval--Congresses.
Law--Europe, Eastern--History--To 1500--Congresses.
Law--Germany--History--To 1500--Congresses.
Lübeck law--Congresses.
Magdeburg law--Congresses.