25 books • 3 series
The Electric Telegraph Its Rise and Progress in the United States (Electric Telegraph, #5)
The Cymry of '76, or Welshmen and Their Descendants of the American Revolution. an Address
Historical Sketch Of The Electric Telegraph - Including Its Rise And Progress In The United States
Astronomical Papyri from Oxyrhynchus (vol. I and II) (Memoirs of the American Philosophical Society, #233)