Box 1

  MITCHELL, S[ilas] Weir. TYPED LETTER SIGNED. Philadelphia, Nov. 13, 1909. One-page letter on leaf of stationery bearing Mitchell’s printed address, measuring 8 x 5”. Mounted on sheet of larger size, else very good plus with some faint soiling. Mitchell writes to Dr. Lawrence Webster Fox, thanking him for a copy of his recently published book, A Practical Treatise on Ophthalmology (1909). Mitchell states, in part: “Perhaps I am better fitted to understand it than most physicians not...