Encyclopedia of Earth
Encyclopedia of Earth: Evolutionary Biology: Darwin, Charles
A biography of Charles Darwin.
BiologyWise
Biology Wise: Arguments Against Evolution
Presents a table showing the timeline of theories of evolution, a description of Darwin's theory of evolution, and a list of arguments attacking the concept of evolution.
Internet History Sourcebooks Project
Fordham University: Modern History Sourcebook: Social Darwinism 1857
Herbert Spencer's article "Progress: It's Law and Cause" in which he discusses his theories of evolution prior to Darwin's publishing.
American Institute of Biological Sciences
Action Bioscience: Species, Speciation and the Environment
The American Institute of Biological Sciences offers this article by Niles Eldredge, evolutionary theorist and curator at the American Museum of Natural History. Eldredge begins with Darwin's theories and summarizes subsequent thought,...