Columbia subject headings:
Enlightenment--Germany--Congresses.
German literature--18th century--History and criticism--Congresses.
German literature--19th century--History and criticism--Congresses.
German literature--20th century--History and criticism--Congresses.
Harz Mountains (Germany)--In literature--Congresses.
Mines and mineral resources in literature--Congresses.
Romanticism--Germany--Congresses.
Harvard subject headings:
Enlightenment--Germany--Congresses
German literature--18th century--History and criticism--Congresses
German literature--19th century--History and criticism--Congresses
German literature--20th century--History and criticism--Congresses
Harz Mountains (Germany)--In literature--Congresses.
Mines and mineral resources in literature--Congresses.
Romanticism--Germany--Congresses
Princeton subject headings:
Enlightenment--Germany--Congresses.
German literature--18th century--History and criticism--Congresses.
German literature--19th century--History and criticism--Congresses.
German literature--20th century--History and criticism--Congresses.
Harz Mountains (Germany)--In literature--Congresses.
Mines and mineral resources in literature--Congresses.
Romanticism--Germany--Congresses.