Columbia subject headings:
German literature--19th century--History and criticism.
Industries in literature.
Industries--Germany--Saxony--History--19th century.
Harvard subject headings:
German literature--19th century--Germany--Saxony.
Industries in literature.
Working class in literature.
Princeton subject headings:
German literature--19th century--History and criticism.
Industries in literature.
Industries--Germany--Saxony--History--19th century.