Columbia subject headings:
German literature--19th century--History and criticism.
Working class in literature.
Working class writings, German--History and criticism.
Harvard subject headings:
German literature--19th century--History and criticism
Working class in literature.
Working class writings, German--History and criticism.
Princeton subject headings:
German literature--19th century--History and criticism.
Working class in literature.
Working class writings, German--History and criticism.