"Jaundice: Its Pathology and Treatment: With the Application of Physiological Chemistry to the Detection and Treatment of Diseases of the Liver and Pancreas" by George Harley

George Harley was a Scottish physician, and his expertise made him an authority figure when it came to writing about ailments of all sorts. Jaundice is when the skin, sclera, and mucous membranes turn yellow. It often signaled death, especially when found too late. This book was a seminal medical text that allowed research into the condition to continue and lives to be saved.