Abstract
Frederick Burkhardt , James A. Secord , Janet Browne , Samantha Evans , Shelley Innes , Alison M. Pearn and Paul White , The Correspondence of Charles Darwin, vol. 19: 1871. Cambridge: Cambridge University Press, 2012. Pp. xliv+1062. ISBN 978-1-107-01648-4. £90.00 .Frederick Burkhardt , James A. Secord , Janet Browne , Samantha Evans , Shelley Innes , Francis Neary , Alison M. Pearn , Anne Secord and Paul White , The Correspondence of Charles Darwin, vol. 20: 1872. Cambridge: Cambridge University Press, 2013. Pp. xxxix+862. ISBN: 978-1-107-0384-48. £90.00