Columbia subject headings:
Harvard subject headings:
Creative nonfiction--19th century--History and criticism.
Scientific literature--19th century--History and criticism.
Scientific literature--Germany--History and criticism.
Princeton subject headings:
Literature and science--Germany--History--19th century.
Science in popular culture--Germany--History--19th century.
Science news--Social aspects--Germany--History--19th century.
Scientific literature--Germany--19th century--History and criticism.
Technical writing--Social aspects--Germany--History--19th century.