Henry C. King

The History of the Telescope.    Dover Publications reprinted 2003.  Original edition Charles Griffin & Co. 1955.

Peter L. Manly

Unusual Telescopes.   Cambridge University Press 1991; reprinted in paperback 1995.

Isaac Asimov

Eyes on the Universe.   Andre Deutsch 1976

John & Mary Gribbin

How Far is Up?  Measuring the size of the Universe.   Icon Books 2003.  Republished as “The Men who Measured the Universe” paperback

Richard Panek

Seeing and Believing.  The story of the telescope or how we found the Universe.   Viking 1998

Michael Hoskin (Ed)

Cambridge Illustrated History of Astronomy.   Cambridge University Press 1997.  Reprinted 2000