Darwin, Charles, 1809-1882
The Foundations of the Origin of Species : Two Essays written in 1842 and 1844 [recurso electrónico] / Charles Darwin - Project Gutenberg, 2007 - Project Gutenberg 22728 .
Public domain in the USA.
Text
Evolution (Biology) Natural selection
QH
The Foundations of the Origin of Species : Two Essays written in 1842 and 1844 [recurso electrónico] / Charles Darwin - Project Gutenberg, 2007 - Project Gutenberg 22728 .
Public domain in the USA.
Text
Evolution (Biology) Natural selection
QH