Columbia subject headings:
German language--Spoken German--Congresses.
Popular culture--Germany--Congresses.
Popular literature--Germany--History and criticism--Congresses.
Harvard subject headings:
German language--Spoken German--Congresses.
Popular culture--Germany--Congresses.
Popular literature--Germany--History and criticism--Congresses.
Princeton subject headings:
German language--Spoken German--Congresses.
Popular culture--Germany--Congresses.
Popular literature--Germany--History and criticism--Congresses.