Columbia subject headings:
English prose literature--19th century--History and criticism.
Literature and science--Great Britain--History--19th century.
Natural history in literature.
Natural history--Great Britain--History--19th century.
Harvard subject headings:
English prose literature--19th century--History and criticism
Literature and science--Great Britain--History--19th century
Natural history in literature
Natural history--Great Britain--History--19th century.
Princeton subject headings:
English prose literature--19th century--History and criticism.
Literature and science--Great Britain--History--19th century.
Natural history in literature.
Natural history--Great Britain--History--19th century.