More Letters of Charles Darwin — Volume 2 :
Darwin, Charles, 1809-1882
More Letters of Charles Darwin — Volume 2 : A Record of His Work in a Series of Hitherto Unpublished Letters [electronic resource] / Charles Darwin - Project Gutenberg, 2001 - Project Gutenberg 2740 .
Public domain in the USA.
Electronic text
Evolution (Biology) Naturalists -- Great Britain -- Correspondence Darwin, Charles, 1809-1882 -- Correspondence
QH
More Letters of Charles Darwin — Volume 2 : A Record of His Work in a Series of Hitherto Unpublished Letters [electronic resource] / Charles Darwin - Project Gutenberg, 2001 - Project Gutenberg 2740 .
Public domain in the USA.
Electronic text
Evolution (Biology) Naturalists -- Great Britain -- Correspondence Darwin, Charles, 1809-1882 -- Correspondence
QH