Columbia subject headings:
German literature--18th century--History and criticism.
German literature--19th century--History and criticism.
German literature--20th century--History and criticism.
Popular literature--History and criticism.
Harvard subject headings:
German fiction--History and criticism.
German literature--18th century--History and criticism
German literature--19th century--History and criticism
German literature--20th century--History and criticism
Popular literature--History and criticism.
Princeton subject headings:
German literature--18th century--History and criticism.
German literature--19th century--History and criticism.
German literature--20th century--History and criticism.
Popular literature--History and criticism.