The Expression of the Emotions in Man and Animals

Intelligence in Plants and Animals Being a New Edition of the Author's Privately Issued "Soul and Immortality."

Ants and Some Other Insects: An Inquiry Into the Psychic Powers of These Animals

La simulación en la lucha por la vida

Zoölogische Philosophie Of beschouwingen over de Natuurlijke Historie der dieren etc.

The Psychology of the Emotions

Female affection

The Origin and Nature of the Emotions; Miscellaneous Papers

De l'influence des passions sur le bonheur des individus et des nations

La espressione dei sentimenti dei nostri volatili domestici

Animal Life and Intelligence

The Dawn of Reason; or, Mental Traits in the Lower Animals