Charles Darwin

The Origin of Species by means of Natural Selection, 6th Edition

The Descent of Man

The Expression of the Emotions in Man and Animals

On the Origin of Species By Means of Natural Selection, or, the Preservation of Favoured Races in the Struggle for Life

The Autobiography of Charles Darwin

The Voyage of the Beagle by Charles Darwin

The Origin of Species

The Descent of Man and Selection in Relation to Sex / Volume II (1st Edition)

The Different Forms of Flowers on Plants of the Same Species

Insectivorous Plants

The Variation of Animals and Plants Under Domestication, Vol. I

The Descent of Man and Selection in Relation to Sex, Vol. I

Volcanic Islands

More Letters – A Record of His Work in a Series of Hitherto Unpublished Letters

The Voyage of the Beagle

On the Origin of Species

The Expression of the Emotions in Man and Animals

The Power of Movement in Plants

The Variation of Animals and Plants under Domestication — Volume 1

The Formation of Vegetable Mould Through the Actth Observations on Their Habits