Columbia subject headings:
German literature--20th century--History and criticism--Exhibitions.
Popular literature--Germany--Exhibitions.
Popular literature--Germany--History and criticism--Exhibitions.
Harvard subject headings:
German literature--20th century--History and criticism--Exhibitions.
Popular literature--Germany--Exhibitions.
Popular literature--Germany--History and criticism--Exhibitions.
Princeton subject headings:
German literature--History and criticism--20th century--Exhibitions.
Popular literature--Germany--Exhibitions.
Popular literature--Germany--History and criticism--Exhibitions.