• publisher: Braunschweig : Friedrich Vieweg und Sohn
  • creator: Wolf, Oskar Royal College of Surgeons of England
  • contributor: Royal College of Surgeons of England.
  • Keyword: Speech. Hearing. Electronic books.
  • years: 1871.
  • pages: vi, 252 p., [1] leaf of plate :
  • download: pdf file