Columbia subject headings:
Law--Norway--Religious aspects--History.
Magnus IV., Lagabœtir, King of Norway, 1238-1280.
Harvard subject headings:
Law--Norway--History.
Magnus VI Lagabœtir, King of Norway, 1238-1280.
Religion and law--Norway.
Princeton subject headings:
Magnus VI Lagabœtir, King of Norway, 1238-1280.
Religion and law--Norway--History.