- Author: George Howard Darwin Sir, Francis Darwin Sir
- Language: English
- Year: 2009
- Author: George Howard Darwin Sir, Francis Darwin Sir, Ernest W Brown, Frederick John Marrian Stratton, J Jackson
- Language: English
- Year: 2009
- Author: Charles Darwin, Francis Darwin Sir
- Language: English
- Year: 1959
- Author: Charles Darwin, Francis Darwin Sir
- Language: English
- Year: 1959