1. Murray TJ. Multiple sclerosis: the history of a disease. Demos; 2005;Chap. 3, p. 19–60.
2. Charcot JM. Lectures on the diseases of the nervous system. Delivered at la Salpêtrière. Vol II. Sigerson G, ed-trans. London: New Sydenham Society; 1881;2:1–292.
3. Ollivier CP. De la Moelle Epiniére et de ses Maladies. Paris: Crevot; 1824.
4. Murray TJ. Multiple sclerosis: the history of a disease. Demos; 2005;61–94, Chap. 4, p. 82–85.
5. Morris JC. Case of the late Dr. CW Pennock Am J Med Sci. 1868;56:138–44.