Columbia subject headings:
Harvard subject headings:
Denmark--History--Bibliography.
Denmark--Laws, statutes, etc.--Frederick III, 1648-1670.
Norway--History--Bibliography.
Norway--Laws, statutes, etc.--Frederick III, 1648-1670.
Princeton subject headings:
Denmark--History--Bibliography.
Denmark--Laws, statutes, etc.--Frederick III, 1648-1670.
Norway--History--Bibliography.
Norway--Laws, statutes, etc.--Frederick III, 1648-1670.