University of St. Andrews (UK)
University of St. Andrews: Newton Raphson Method
Detailed site explaining the Newton Raphson method. The site contains an example and links to more related information.
University of St. Andrews (UK)
University of St. Andrews: Joseph Raphson
This University of St. Andrews page offers a good biography on Joseph Raphson, an English mathematician and philosopher(1648-1715.) Discusses his life and his contributions to these fields.
University of St. Andrews (UK)
University of St. Andrews: Error Estimate for the Newton Raphson Method
Find the method for finding the error in the Newton Raphson Method at this site.
Other
Department of Mathematical Sciences: The Newton Raphson Method
This site has links to the background of the Newton-Raphson Method and links to examples.