Columbia subject headings:
Harvard subject headings:
Arts in literature--Congresses.
Arts--Germany--History--20th century--Congresses.
German literature--20th century--History and criticism--Congresses
Princeton subject headings:
German literature--20th century--History and criticism--Congresses.
Intermediality--Congresses.
Mass media and literature--Germany--Congresses.
Motion pictures and literature--Congresses.