Columbia subject headings:
Land settlement--Denmark--Schleswig (Germany and Denmark)
Land settlement--Germany--Schleswig (Germany and Denmark)
Land tenure--Denmark--Schleswig (Germany and Denmark)
Land tenure--Germany--Schleswig (Germany and Denmark)
Moors (Wetlands)--Denmark--Schleswig (Germany and Denmark)
Moors (Wetlands)--Germany--Schleswig (Germany and Denmark)
Schleswig (Germany and Denmark)--History.
Harvard subject headings:
Heathlands--Germany--Schleswig-Holstein--History.
Heathlands--Schleswig (Duchy)
Heathlands--Schleswig (Germany and Denmark)--History.
Moors (Wetlands)--Germany--Schleswig-Holstein--History.
Moors (Wetlands)--Schleswig (Duchy)
Moors (Wetlands)--Schleswig (Germany and Denmark)--History.
Schleswig (Germany and Denmark)--Colonization--History.
Schleswig (Germany)--Colonization--History.
Schleswig-Holstein (Germany)--Colonization--History.
Princeton subject headings: