Columbia subject headings:
German literature--20th century--History and criticism.
German literature--21st century--History and criticism.
History in literature.
Social change in literature.
Harvard subject headings:
German literature--20th century--History and criticism
German literature--21st century--History and criticism
History in literature.
Social change in literature.
Princeton subject headings:
German literature--20th century--History and criticism.
German literature--21st century--History and criticism.
History in literature.
Social change in literature.