Columbia subject headings:
German literature--20th century--History and criticism.
German literature--21st century--History and criticism.
Literature, Modern--20th century--History and criticism.
Literature, Modern--21st century--History and criticism.
Harvard subject headings:
German literature--20th century--History and criticism
German literature--21st century--History and criticism
Literature, Modern--20th century--History and criticism
Literature, Modern--21st century--History and criticism
Princeton subject headings:
German literature--20th century--History and criticism.
German literature--21st century--History and criticism.
Literature, Modern--20th century--History and criticism.
Literature, Modern--21st century--History and criticism.