Columbia subject headings:
Best sellers--Germany--Bibliography.
Books and reading--Germany--History--20th century.
German fiction--20th century--History and criticism.
Popular literature--Germany--History and criticism.
Harvard subject headings:
Best sellers--Germany--Bibliography.
Best sellers--Germany--History--20th century.
Books and reading--Germany--History--20th century.
German fiction--20th century--History and criticism.
Popular literature--Germany--History and criticism.
Princeton subject headings:
Best sellers--Germany--History--20th century.
Books and reading--Germany--History--20th century.
German fiction--20th century--History and criticism.
Popular literature--Germany--History and criticism.