Columbia subject headings:
Education--Germany--History.
German literature--18th century--History and criticism.
German literature--19th century--History and criticism.
Materialism in literature.
Materialism.
Harvard subject headings:
Education--Germany--History--Congresses.
German literature--18th century--History and criticism--Congresses
German literature--19th century--History and criticism--Congresses
Materialism in literature--Congresses.
Materialism--Congresses.
Princeton subject headings:
Education--Germany--History.
German literature--18th century--History and criticism.
German literature--19th century--History and criticism.
Materialism in literature.
Materialism.