Columbia subject headings:
Germany--Intellectual life--19th century.
Germany--Intellectual life--20th century.
Germany--Social conditions--19th century.
Germany--Social conditions--20th century.
Harvard subject headings:
German literature--19th century--History and criticism
German literature--20th century--History and criticism
German literature--Societies, etc.
Germany--Intellectual life--19th century.
Germany--Intellectual life--20th century.
Princeton subject headings:
German literature--19th century--History and criticism.
German literature--20th century--History and criticism.
German literature--Societies, etc.
Germany--Intellectual life--19th century.
Germany--Intellectual life--20th century.