Civil War Era Medical Treatise, MA General, 1855. "Letters to A Young Physician First Entering Upon Practice" by James Jackson, M.D., LL.D., Professor Emeritus of the Theory and Practice of Physic in the University at Cambridge, Late Physician in the Massachusetts General Hospital, etc. (Boston: Phillips, Sampson and Company, New York: J.C. Derby), 12mo, cloth, 344pp. FIRST EDITION. Original brown publishers cloth decorated in blind, gilt title on spine. Jackson (1777-1867) was a Professor of Medicine at Harvard.