Columbia subject headings:
Harvard subject headings:
Darwin, Charles, 1809-1882
Evolution (Biology)
Individualism--History--19th century.
Philosophy and science--History--19th century.
Religion and science--History--19th century.
Skepticism--History--19th century.
Princeton subject headings:
Darwin, Charles, 1809-1882.
Individualism.
Naturalists--England--Biography.