Book

The Factors of Organic Evolution

by Herbert Spencer (1820–1903)

4 chapters, about 23,000 words. The text is in the public domain in the United States and comes from Project Gutenberg.

Chapters

1. PREFACE. 200 words
2. I. 10,900 words
3. II. 11,000 words
4. NOTE. 600 words

Ideas discussed in this book

• Insanity
• Natural selection

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