Columbia subject headings:
Arts, German--20th century--Congresses.
Arts, German--21st century--Congresses.
German literature--20th century--History and criticism--Congresses.
German literature--21st century--History and criticism--Congresses.
Motion pictures--Germany--Congresses.
Theater--Germany--History--20th century--Congresses.
Theater--Germany--History--21st century--Congresses.
Harvard subject headings:
German drama--Europe, German-speaking--20th century--Congresses.
German drama--Europe, German-speaking--21st century--Congresses.
German literature--20th century--History and criticism--Congresses
German literature--21st century--History and criticism--Congresses.
Motion pictures--Europe, German-speaking--History--Congresses.
Princeton subject headings:
Arts--Germany--20th century.
Arts--Germany--21st century.
German literature--20th century.
German literature--21st century.
Motion pictures--Germany--20th century.
Motion pictures--Germany--21st century.
Theater--Germany--20th century.
Theater--Germany--21st century.