As author • 1900.
Thomas Henry Huxley: a Sketch of his Life and Work. Putnam's, London & N.Y; 2nd ed. Methuen, London 1913. • 1911.
Official Guide to the Gardens of the Zoological Society of London, Zoological Society of London, London. • 1912.
The Childhood of Animals. Heinemann; Penguin. • 1915.
Evolution and the War. J. Murray, London. • 1930.
Materialism and Vitalism in Biology. Oxford. • 1931.
A Centenary History of the London Zoo. • 1937.
My Fill of Days. Faber & Faber, London. • 1938.
My House in Málaga. Faber & Faber, London. (Republished 2019,
The Clapton Press, London).
As Translator • 1903.
The Nature of Man: Studies in Optimistic Philosophy, by
Élie Metchnikoff, G.P. Putnam's Sons, London. The original title in French was
Études sur la nature humaine, (1903). • 1934.
The Seven Pillars, by
Wenceslao Fernández Flórez. • 1935.
Mr Witt Among the Rebels: The Story of a Reluctant Revolutionist in the Days of Victoria, by
Ramón J. Sender, Faber and Faber, London. The original title in Spanish was
Mr. Witt en el cantón, (1935). • 1936.
Seven Red Sundays, by Ramón J. Sender, Faber & Faber, London. The original title in Spanish was
Siete domingos rojos, (1932). • 1937.
The War in Spain: a personal narrative, by Ramón J. Sender, Faber & Faber, London. The original title in Spanish was
Contraataque (1937). • 1944.
The Forge, by
Arturo Barea, Faber and Faber, London. The original title in Spanish was
La Forja (1941). In addition, like
Henry Scherren FZS, Chalmers Mitchell made a number of contributions to the
1911 Encyclopædia Britannica under the initials "P.C.M.". Chalmers Mitchell was critical of Scherren's history of the ZSL, but was in turn criticised by John Bastin for his work on the same subject. ==Bibliography==