Science & Engineering
- Thomas Henry Huxley
- Charles Darwin
- Jean-Henri Fabre
- Steven E. Jones
- Charles John Cutcliffe Wright Hyne
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- Charles Darwin
- G. V. Schiaparelli
- Richard Stallman
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- Jules Verne
- Michael Husted
- Edwin Lester Arnold
- Paul Severing
- Jean-Henri Fabre
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Scientific American, Volume 22, No. 1, January 1, 1870 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
VariousRead For Free - Thomas Henry Huxley
- Ignatius Donnelly
- Edwin Abbott Abbott
- Jack London
- A. C. Seward
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Familiar Letters on Chemistry, and Its Relation to Commerce, Physiology, and Agriculture
Freiherr von Justus LiebigRead For FreeFreiherr von Justus Liebig - Edgar Rice Burroughs
- Ayn Rand
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- Grant Allen
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Scientific American, Volume 17, No. 26 December 28, 1867 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
VariousRead For Free -

The Past Condition of Organic Nature Lecture II. (of VI.), "Lectures to Working Men", at the Museum of Practical Geology, 1863, on Darwin's Work: "Origin of Species"
Thomas Henry HuxleyRead For Free - Cory Doctorow


