Columbia subject headings:
Anatomy, Comparative--Research--England--London--History--19th century.
Evolution--Research--England--London--History--19th century.
Harvard subject headings:
Anatomy, Comparative--Research--England--London--History--19th century.
Evolution (Biology)--Research--England--London--History--19th century.
Evolution--Research--England--London--History--19th century.
Princeton subject headings:
Anatomy, Comparative--Research--England--London--History--19th century.
Evolution--Research--England--London--History--19th century.