Charles Darwin
(engl.)
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[www.gutenberg.org/dirs/etext04/8thdr10h.zip]

Criticism on "The Origin of Species"
(engl.)
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[www.gutenberg.org/dirs/etext04/8thdr10h.zip]

Evolution in Biology
(engl.)
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[www.gutenberg.org/dirs/etext04/8thdr10h.zip]

Mr. Darwin's Critics
(engl.)
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[www.gutenberg.org/dirs/etext04/8thdr10h.zip]

Obituary
(engl.)
at Project Gutenberg
[www.gutenberg.org/dirs/etext04/8thdr10h.zip]

Six Lectures to Working Men "On Our Knowledge of the Causes of the Phenomena of Organic Nature"
(engl.)
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[www.gutenberg.org/dirs/etext04/8thdr10h.zip]

The Coming of Age of "The Origin of Species"
(engl.)
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[www.gutenberg.org/dirs/etext04/8thdr10h.zip]

The Darwinian Hypothesis
(engl.)
at Project Gutenberg
[www.gutenberg.org/dirs/etext01/thx0710h.htm]

The Darwinian Hypothesis
(engl.)
at Project Gutenberg
[www.gutenberg.org/dirs/etext04/8thdr10h.zip]

The Darwin Memorial
(engl.)
at Project Gutenberg
[www.gutenberg.org/dirs/etext04/8thdr10h.zip]

The Genealogy of Animals
(engl.)
at Project Gutenberg
[www.gutenberg.org/dirs/etext04/8thdr10h.zip]

The Origin of Species
(engl.)
at Project Gutenberg
[www.gutenberg.org/dirs/etext04/8thdr10h.zip]