Columbia subject headings:
Canon law--History--To 1500.
Uppsala (Sweden)--Church history.
Harvard subject headings:
Canon law--History--To 1500.
Catholic Church. Poenitentiaria Apostolica--History.
Catholic Church. Province of Uppsala (Sweden)
Uppsala (Sweden)--Church history.
Princeton subject headings:
Canon law--History--To 1500.
Uppsala (Sweden)--Church history.