1. Letter, Macauley to Playfair, 13 May 1875, Imperial College of Science and Technology, Playfair Papers #469. Quoted in: French, R.D. (1975) Antivivisection and Medical Science in Victorian Society, Princeton University Press
2. The Way in and the Way Out: François Magendie, Charles Bell, and the Roots of the Spinal Nerves: With a Facsim Of Charles Bell's Annotated Copy of His Ideas of a New Anatomy of the Brain. The History of Medicine; No. 41;Cranefield,1974
3. Claude Bernard. Masters of Medicine;Foster,1899
4. Idea of a New Anatomy of the Brain: A Facsimile of the Privately Printed Edition of 1811, with a Biol -Bibliographical Introduction;Bell,1966
5. The Cuvier–Geoffroy Debate: French Biology in the Decades before Darwin. Monographs on the History and Philosophy of Biology;Appel,1987