Columbia subject headings:
Adolf, von Schleswig-Holstein-Gottorf, Herzog, 1526-1586.
Law reports, digests, etc.--Germany--Schleswig-Holstein.
Law--Germany--Schleswig-Holstein--Sources.
Law--Schleswig (Germany and Denmark)--Sources.
Schleswig (Germany and Denmark)--History--Sources.
Harvard subject headings:
Adolf, Duke of Schleswig-Holstein-Gottorf, 1526-1586
Law reports, digests, etc.--Germany--Schleswig-Holstein.
Law--Germany--Schleswig-Holstein--Sources.
Princeton subject headings:
Law--Schleswig (Duchy)--Sources.