Columbia subject headings:
German literature--Germany (East)--History and criticism.
Working class in literature.
Working class writings, German--Germany (East)--History and criticism.
Harvard subject headings:
German literature--Germany (East)--History and criticism
Working class in literature.
Working class writings, German--Germany (East)--History and criticism.
Princeton subject headings:
German literature--Germany (East)--History and criticism.
Industries in literature.
Working class in literature.