Columbia subject headings:
Christianity and literature--Germany--History--19th century.
Christianity and literature--Germany--History--20th century.
German literature--19th century--History and criticism.
German literature--20th century--History and criticism.
Harvard subject headings:
Christianity and literature--Germany--History--19th century.
Christianity and literature--Germany--History--20th century.
German literature--19th century--History and criticism
German literature--20th century--History and criticism
Princeton subject headings:
Christianity and literature--Germany--History--19th century.
Christianity and literature--Germany--History--20th century.
German literature--19th century--History and criticism.
German literature--20th century--History and criticism.