水の子どもたち
Kingsley, Charles (1863), The Water-Babies, Oxford & New York: Oxford University Press, 1995, ISBN 0-19-282238-1
Darwin, Charles (1860), On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life, London: John Murray, http://darwin-online.org.uk/content/frameset?itemID=F376&viewtype=text&pageseq=1 2nd edition. Retrieved on 2007-07-20
Darwin, Charles (1887), Darwin, F, ed., The life and letters of Charles Darwin, including an autobiographical chapter., London: John Murray, http://www.gutenberg.org/catalog/world/readfile?fk_files=39003&pageno=1 (The Autobiography of Charles Darwin) Retrieved on 2007-07-20