On Tabes Dorsalis: The Lumleian Lectures (1906) is a medical text written by David Ferrier. The book is a collection of lectures that Ferrier gave at the Royal College of Physicians in London, England. The lectures focus on tabes dorsalis, a neurological disorder that affects the spinal cord and peripheral nerves. Ferrier provides a detailed description of the symptoms, diagnosis, and treatment of the disease, drawing on his extensive experience as...