Columbia subject headings:
German literature--20th century--History and criticism.
German literature--20th century--Political aspects.
German literature--Social aspects.
Germany--History--1918-1933.
Literature and society.
Harvard subject headings:
German literature--20th century--History and criticism
Literature and society--Germany.
Princeton subject headings:
German literature--20th century--History and criticism.
Germany--History--1918-1933.
Social problems in literature.