Columbia subject headings:
Harvard subject headings:
Scandinavian languages--Europe, German-speaking--History--17th century.
Scandinavian languages--Europe, German-speaking--History--18th century.
Princeton subject headings:
German language--Foreign elements--Scandinavian languages.
German language--Foreign influences--17th century.
German language--Foreign influences--18th century.
Scandinavian languages--Germany--History.