Books in Biology (sorted alphabetically)
- Essays on early ornithology and kindred subjects James Roxburgh McClymont
- Evolution: An Investigation and a Critique Theodore Graebner
- Evolution in Modern Thought
- Evolution of Man Scientifically Disproved in 50 Arguments William A. Williams
- Evolution, Old & New Samuel Butler
- Explanation of Terms Used in Entomology John Bernhard Smith
- Facts and Arguments for Darwin Fritz Müller
- Fathers of Biology Charles McRae
- Form and Function: A Contribution to the History of Animal Morphology E. S. Russell
- Foundations of the Origin of Species Charles Darwin
- History of Insects Unknown
- Human Genome Project, Chromosome Number 01 Human Genome Project
- Human Side of Animals Royal Dixon
- Lamarck, the Founder of Evolution: His Life and Work A. S. Packard
- Lectures on Evolution Thomas Henry Huxley
- Life History of the Kangaroo Rat Charles Taylor Vorhies and Walter P. Taylor
- Life-Story of Insects George H. Carpenter
- Love's Meinie: Three Lectures on Greek and English Birds John Ruskin
- Minds and Manners of Wild Animals: A Book of Personal Observations William T. Hornaday
- My Studio Neighbors W. Hamilton Gibson
- Nature Near London Richard Jefferies
- Nouveaux souvenirs entomologiques - Livre II (French) Jean-Henri Fabre
- Ohio Biological Survey, Bull. 10, Vol. 11, No. 6 Bruce Fink and Leafy Jane Corrington Hilker
- On the Genesis of Species St. George Jackson Mivart
- On the Origin of Species Charles Darwin