Columbia subject headings:
German literature--Germany, Northern--History and criticism.
Germany, Northern--History.
Germany, Northern--Intellectual life--19th century.
Germany, Northern--Intellectual life--20th century.
Low German literature--History and criticism.
Harvard subject headings:
Princeton subject headings:
German literature--Germany, Northern--History and criticism.
Germany, Northern--History.
Germany, Northern--Intellectual life--19th century.
Germany, Northern--Intellectual life--20th century.